Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], in reply to his letter of 22 April 1937 (LAN/2/5/14)

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Lanchester refers to his article 'The limit of performance' in Royal Aeronautical Society Journal (February 1937) and another due to appear in May 1937.

Archive Record|Table of contents

Frederick Lanchester collectionLAN

Correspondence and other documents ('Baxter' series)LAN/1

Frederick Lanchester correspondence and documents ('Fletcher' series)LAN/2

Biographical information on Frederick LanchesterLAN/2/1

Material on Frederick Lanchester compiled by Dr Peter Kingsford for his biography of LanchesterLAN/2/2

Frederick Lanchester reports for the Advisory Committee for AeronauticsLAN/2/3

Correspondence between Frederick Lanchester and the Advisory Committee for AeronauticsLAN/2/4

Correspondence relating to flightLAN/2/5

Typed copy letter from Frederick Lanchester to Major Baden Powell, concerning the latter's intention of giving a lecture on the theory of flightLAN/2/5/1

Typed copy letter from Frederick Lanchester to Col. J. Fullerton, Honorary Secretary of the Aeronautical Society of Great BritainLAN/2/5/2

Typed copy letter from Frederick Lanchester to the Secretary of the Aeronautical Society of Great BritainLAN/2/5/3

Typed copy letter from the Secretary of the Aeronautical Society to Frederick Lanchester acknowledging his letter of 4 May 1914 (LAN/2/5/3)LAN/2/5/4

Typed copy letter from the Secretary of the Aeronautical Society to Frederick Lanchester, saying that the Council accepted his offer of a glider experiment prizeLAN/2/5/5

Typed copy letter from B.G. Cooper, Secretary of the Aeronautical Society, acknowledging receipt of Frederick Lanchester's letter of 9 May 1914, and the further details of the glider prize offeredLAN/2/5/6

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick LanchesterLAN/2/5/8

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], replying to his letter of 15 February 1937 (LAN/2/5/8)LAN/2/5/9

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, replying to his letter of 1 March 1937 (LAN/2/5/9)LAN/2/5/10

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], on Lanchester's proposal to present a paper to the Royal Aeronautical Society on the aeroplane at high altitudeLAN/2/5/11

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, on Lanchester's proposed article on high altitude flyingLAN/2/5/12

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], on high altitude flyingLAN/2/5/13

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, replying to his letter of 15 April 1937 (LAN/2/5/13)LAN/2/5/14

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], in reply to his letter of 22 April 1937 (LAN/2/5/14)LAN/2/5/15

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], asking for information about the relationship between Aero Engines Limited, of Bristol, and Bristol Aeroplane CompanyLAN/2/5/16

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, giving information about the design of the Albatross aircraftLAN/2/5/17

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, replying to Lanchester's letter of 28 April 1937 (LAN/2/5/16) on relations between Aero Engines and Bristol Aeroplane companiesLAN/2/5/18

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], acknowledging his letters of 29 April 1937 (LAN/2/5/17-18)LAN/2/5/19

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], referring to his letter of 6 April 1937 (LAN/2/5/11)LAN/2/5/21

Typed letter from E.L. Chapman, Secretary to C.C. Walker, De Haviland Aircraft Company Ltd, acknowledging Frederick Lanchester's letter of 10 May 1937 (LAN/2/5/21)LAN/2/5/22

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], querying the origin of a photograph of the Albatross aircraft that appeared in The TimesLAN/2/5/23

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, noting that he has read Lanchester's article on High Altitude flyingLAN/2/5/24

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], acknowledging his letter of 24 May 1937 (LAN/2/5/24)LAN/2/5/25

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, replying to his letter of 29 May 1937 (LAN/2/5/23), and noting that the photograph of the Albatross plane in The Times was genuineLAN/2/5/26

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], acknowledging his letter of 1 June 1937 (LAN/2/5/26)LAN/2/5/27

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], noting that part II of his article on high altitude flying has appearedLAN/2/5/28

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, commenting on part II of Frederick Lanchester's paper on high altitudeLAN/2/5/29

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, on thermodynamicsLAN/2/5/30

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], reassuring him that the second law of thermodynamics is soundLAN/2/5/31

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, thanking him for his letter on reversed cycle of thermodynamics (LAN/2/5/31)LAN/2/5/32

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], in reply to his letter of 24 June 1937 on inversed cycle (LAN/2/5/32)LAN/2/5/33

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], asking for permission to use The Times photograph of the Albatross planeLAN/2/5/34

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], commiserating with him after the crash of the special high speed aircraft T.K.4, and the death of the pilot Mr WaightLAN/2/5/35

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, gives permission to use The Times photograph of the Albatross plane (see LAN/2/5/35)LAN/2/5/36

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], acknowledging his letter giving permission to use the photograph of the Albatross plane (LAN/2/5/36)LAN/2/5/37

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], acknowledging receipt of his letter with information on the variable pitch propeller (LAN2/5/36)LAN/2/5/38

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd], noting a copyright issue with the Albatross plane photograph Walker had given himLAN/2/5/39

Typed letter from De Havilland Aircraft Company Ltd's Publicity Manager to Frederick Lanchester explaining that he can use the Albatross aircraft image as long as the right acknowledgements are madeLAN/2/5/40

Copy typed letter from Frederick Lanchester to the De Havilland Aircraft Company Ltd's Publicity Manager thanking him for clearing copyright for Lanchester's use of the Albatross plane photographLAN/2/5/41

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, thanking him for reprints of the 1938 Engineering articles on the gas engineLAN/2/5/42

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] enclosing copies of Lanchester's publications 'Span' and 'Potted Logs' for Walker and The De Haviland companyLAN/2/5/43

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, acknowledging receipt of 'Span' and 'Potted Logs' and offering lunchLAN/2/5/44

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] accepting Walker's invitation to lunchLAN/2/5/45

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] noting that he can not make the original lunch date and offering othersLAN/2/5/46

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, suggesting a date for lunchLAN/2/5/47

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] accepting his proposed date for lunchLAN/2/5/48

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] thanking him for the lunch and the visit to the De Havilland factory on 13 December 1938LAN/2/5/49

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, thanking him for his Christmas cardLAN/2/5/50

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] about a sketch he sent Walker (see LAN/2/5/50)LAN/2/5/51

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] considering possibility of jet propulsion for aeroplanes using the exhaust effluxLAN/2/5/52

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, replying to his earlier letter on jet propulsion (LAN/2/5/52)LAN/2/5/53

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] acknowledging his letter (LAN/2/5/53) on jet propulsionLAN/2/5/54

Six pages of pencil calculations by Frederick Lanchester, based on data in his paper to the Royal Aeronautical Society on the possibility of jet propulsion using exhaust effluxLAN/2/5/55

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] following up his previous letter on jet propulsion (LAN/2/5/54)LAN/2/5/56

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, on jet propulsionLAN/2/5/57

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] thanking him for Paravicini patent specification (see LAN/2/5/53)LAN/2/5/58

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] returning the Paravicini patent (see LAN/2/5/58)LAN/2/5/59

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester, noting that De Haviland was not using the Paravicini patent (see LAN/2/5/59)LAN/2/5/60

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] on posting his Institution of Mechanical Engineers paper (1939)LAN/2/5/61

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester on receiving Lanchester's Institution of Mechanical Engineers paper (see LAN/2/5/61)LAN/2/5/62

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] enclosing his analysis of the exhaust recoil problemLAN/2/5/63

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester acknowledging receipt of cartoon and report on efflux propulsion (see LAN/2/5/63)LAN/2/5/64

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] - working on written discussion to his Institution of Mechanical Engineers paper (see LAN/2/5/61)LAN/2/5/65

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester suggesting a meeting the following weekLAN/2/5/66

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] agreeing on their meeting (see LAN/2/5/66)LAN/2/5/67

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester proposing meeting arrangementsLAN/2/5/68

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] - is confused about the date of their planned meetingLAN/2/5/69

Telegram from Frederick LanchesterLAN/2/5/70

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester suggesting lunch the following dayLAN/2/5/71

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] thanking for the previous days meetingLAN/2/5/72

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] asking for return of his confidential report on exhaust efflux (see LAN/2/5/59)LAN/2/5/73

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester giving his appreciation of Lanchester's aeronautics work in the pastLAN/2/5/74

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] enclosing a copy of a discourse he had sent to the Patent Office on propulsion efficiencyLAN/2/5/75

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester returning copy of Frederick Lanchester's submission to the Patent Office on propulsion efficiency (see LAN/2/5/75)LAN/2/5/76

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester asking if he has really given up seeking a consultancy with an aeronautical firmLAN/2/5/77

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] in response to his offer of a possible consultancy (see LAN/2/5/77)LAN/2/5/78

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] enclosing a copy of final edition of 'Potted Logs', annotated by LanchesterLAN/2/5/79

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] looking forward to seeing the soon to be published performance data for AlbatrossLAN/2/5/80

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] asking for performance details of AlbatrossLAN/2/5/81

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] asking again for performance details of AlbatrossLAN/2/5/82

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester enclosing details of Albatross and FlamingoLAN/2/5/83

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester noting that he will ask Clarkson to send more details of Albatross gliding angle and thrustLAN/2/5/84

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] thanking him for the Albatross and Flamingo detailsLAN/2/5/85

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester on his articles in Flight (1939)LAN/2/5/86

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester on his Flight articles (see also LAN/2/5/86)LAN/2/5/87

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] commenting on his criticisms of his Flight article (see LAN/2/5/87)LAN/2/5/88

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester replying to his letter (LAN/2/5/88)LAN/2/5/89

Copy typed letter from Frederick Lanchester to C.C. Walker [De Haviland Aircraft Company Ltd] on reverse rotation propellersLAN/2/5/90

Typed letter from C.C. Walker [De Haviland Aircraft Company Ltd], Hatfield Aerodrome, to Frederick Lanchester acknowledging receipt of set of the articles and discussion on exhaust propulsionLAN/2/5/91

Copy typed letter from Frederick Lanchester to R.T. Tizard concerning his views on B. Melvill JonesLAN/2/5/92

Lanchester's Laboratories LimitedLAN/2/6

Material relating to car manufactureLAN/2/7

PublicationsLAN/2/8

Personal and business correspondenceLAN/2/9

Frederick Lanchester's views on warfare tacticsLAN/2/10

Correspondence concerning financial matters, and Frederick Lanchester's deathLAN/2/11

Material relating to worm gears, aircraft propellers and wings, and Lanchester's Laboratories Ltd salesLAN/2/12

Reprints of articles and publications written by or about Frederick LanchesterLAN/2/13

Correspondence mostly relating to the publication of Frederick Lanchester's 'Potted Logs'LAN/2/14

Miscellaneous correspondence including with Colonel [Rookes] Crompton, electrical engineering pioneerLAN/2/15

Frederick Lanchester papers on optics and visualsLAN/2/16

Anatomy and vision/opticsLAN/2/17

Anatomy and vision/opticsLAN/2/18

Correspondence mostly concerning articles, papers and talks on vision and opticsLAN/2/19

Correspondence from Frederick Lanchester to Professor Robert LockhartLAN/2/20

Correspondence from Frederick Lanchester to Professor Robert Lockhart and othersLAN/2/21

Correspondence from Professor Robert Lockhart to Frederick LanchesterLAN/2/22

Copy correspondence from Professor Robert Lockhart to Frederick Lanchester, Lanchester family members and othersLAN/2/23

Correspondence between Frederick Lanchester and Robert LockhartLAN/2/24

Correspondence between Frederick Lanchester and Robert Lockhart mostly concerning anatomy, optics, visionLAN/2/25

Supplemental material donated at a later date - mostly aeronautical/militaryLAN/2/26

Supplemental material donated at a later dateLAN/2/27

PatentsLAN/2/28

PatentsLAN/2/29

Notes and correspondence on obtaining copyright on a book in the U.S.A.LAN/2/30

Miscellaneous correspondenceLAN/2/31

Lists compiled by Frederick LanchesterLAN/2/32

BlueprintsLAN/3

Sketch booksLAN/4

Note booksLAN/5

Glass plate negatives and imagesLAN/7

Photographic negatives of the blueprints (LAN/3)LAN/8

Sales and marketing photographsLAN/9