Typewritten letter from H.E. Wimperis, Air Ministry, to Frederick Lanchester

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Thanks Lanchester for his letter. Expresses great regard for his work. Promised to look into the matter of use made of the “true plumb indicator” but is not sure whether instruments used are derived from Lanchester’s invention or a German variant of the same. Sorry to hear that the radio enterprise has proved “sticky” [i.e. Lanchester’s Laboratories Ltd].

Archive Record|Table of contents

Frederick Lanchester collectionLAN

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

Biographical and autobiographicalLAN/1/1

AeronauticalLAN/1/2

Typed “Précis of matter wanted to make up new issue of Aerial Flight”LAN/1/2/1

Typewritten letter from F.J. Cleveland, Patent Agency to Frederick LanchesterLAN/1/2/2

Copy typewritten letter from Frederick Lanchester to F.J. ClevelandLAN/1/2/3

Typewritten letter from F.J. Cleveland to Frederick LanchesterLAN/1/2/4

Typewritten letter from H.E. Wimperis, Air Ministry, to Frederick LanchesterLAN/1/2/5

Typewritten letter from F.J. Cleveland to Frederick LanchesterLAN/1/2/6

Typewritten letter from Major F.M. Green, Siddeley-Deasy Motor Car Co. to Frederick LanchesterLAN/1/2/7

Copy typewritten letter from Frederick Lanchester to F.M. GreenLAN/1/2/8

Letter from A. Fage, Aerodynamics Dept., National Physical Laboratory to Frederick LanchesterLAN/1/2/9

Typed notes on “Lanchester’s Vortex Theory of an Airscrew”LAN/1/2/10

Diagrams of vortex theoryLAN/1/2/11

Letter from A. Fage to Frederick LanchesterLAN/1/2/12

Letter from Captain F.L.M. Boothby to Frederick LanchesterLAN/1/2/13

Copy typewritten letter from Frederick Lanchester to F.L.M. BoothbyLAN/1/2/14

Typewritten letter from Frederick Lanchester to Professor A.V. Hill, Secretary of the Royal SocietyLAN/1/2/15

Typed “Confidential report on the Theory of Auxiliary Propulsion by Exhaust Efflux” by F.W. Lanchester.LAN/1/2/16

Frederick Lanchester article on 'Exhaust Efflux Propulsion' from “Flight"LAN/1/2/17

Continuation of Frederick Lanchester article on 'Exhaust Efflux Propulsion' from “Flight"LAN/1/2/18

Continuation of Frederick Lanchester article on 'Exhaust Efflux Propulsion' from “Flight"LAN/1/2/19

Correspondence on article 'Rocket Efficiency' from “Flight”LAN/1/2/20

Correspondence from “Flight”LAN/1/2/21

Correspondence from “Flight”LAN/1/2/22

Correspondence from “Flight”LAN/1/2/23

Typewritten letter from J.A. Jackson to Frederick LanchesterLAN/1/2/24

Typewritten letter from C.C. Walker, De Havilland Aircraft Co. to Frederick LanchesterLAN/1/2/25

Copy typewritten letter from Frederick Lanchester to C.C. Walker, De Havilland Aircraft CoLAN/1/2/26

Copy typewritten letter from Frederick Lanchester to C.C. WalkerLAN/1/2/27

Typed notes on “Written communication by F.W. Lanchester … relating to paper on “Profile Drag …”LAN/1/2/28

Copy typewritten letter from Frederick Lanchester to Capt. L. Pritchard, Secretary, Royal Aeronautical SocietyLAN/1/2/29

Additional matter to written communicationLAN/1/2/30

Working notes for LAN/1/2/30LAN/1/2/31

Unrevised proof of paper “The Part played by Skin-friction in Aeronautics”LAN/1/2/32

Appendix V of LAN/1/2/32LAN/1/2/33

Note “to be ‘taken in’ to paper” (LAN/1/2/32) - d Derivation of Rd oc 1/v2.LAN/1/2/34

“List of slides required” for paper (LAN/1/2/32)LAN/1/2/35

“Abstract” of paper (LAN/1/2/32)LAN/1/2/36

“Abridgement” of paper (LAN/1/2/32)LAN/1/2/37

List “New wall diagrams prepared for paper of November 12th” (LAN/1/2/32)LAN/1/2/38

List - Wall diagrams for paper (LAN/1/2/32)LAN/1/2/39

Printed cuttings - figures for paper (LAN/1/2/32)LAN/1/2/40

Typed “Extract from communication by Mr. C.C. Walker to the discussion” on paper (i.e. LAN/1/2/32)LAN/1/2/41

Typewritten letter from Sir Richard Gregory, Editor of “Nature” to Frederick LanchesterLAN/1/2/42

Proof digest of paper (“Part played by skin friction in aeronautics”)LAN/1/2/43

Typewritten letter from Frederick Lanchester to Sir Richard GregoryLAN/1/2/44

Typewritten letter from Sir Richard Gregory to Frederick LanchesterLAN/1/2/45

Draft [?] of letter from Frederick Lanchester to Sir Richard GregoryLAN/1/2/46

Copy typewritten letter from Frederick Lanchester to Sir Richard GregoryLAN/1/2/47

Typewritten letter from Sir Richard Gregory to Frederick LanchesterLAN/1/2/48

Copy typewritten letter from Frederick Lanchester to Sir Richard GregoryLAN/1/2/49

Typed “Synopsis of paper … skin friction …” for Sir Richard Gregory, 'Nature'LAN/1/2/50

Copy typewritten letter from Frederick Lanchester to Sir Richard GregoryLAN/1/2/51

Typewritten letter from Sir Richard Gregory to Frederick LanchesterLAN/1/2/52

Copy typewritten letter from Frederick Lanchester to Sir Richard GregoryLAN/1/2/53

Proof of synopsis of paper (“Part played by skin friction in aeronautics”)LAN/1/2/54

Copy typewritten letter from Frederick Lanchester to The Editor, “Nature”LAN/1/2/55

Typewritten letter from Major P.J. Cowan, Editor of “Engineering” to Frederick LanchesterLAN/1/2/56

Proof of review of Frederick Lanchester’s paper on skin friction in “Engineering"LAN/1/2/57

Copy typewritten letter from Frederick Lanchester to Major P.J. CowanLAN/1/2/58

Typed “Note re proof of review submitted for reading by “Engineering”LAN/1/2/59

Draft of article for “The Engineer”LAN/1/2/60

Copy typewritten text of article for “The Engineer”LAN/1/2/61

Copy typewritten letter from Frederick Lanchester to Dr. T.W. Chalmers, Editor “The Engineer”LAN/1/2/62

Drawings of figures and caption for Frederick Lanchester’s article (LAN/1/2/61)LAN/1/2/63

Working papers and notes for additional note on skin frictionLAN/1/2/64

Copy typewritten letter from Frederick Lanchester to Capt. L. Pritchard, Secretary, Royal Aeronautical SocietyLAN/1/2/65

Typewritten text of additional note on skin frictionLAN/1/2/66

Introductory note to additional note on skin frictionLAN/1/2/67

Corrected proof of additional note on skin frictionLAN/1/2/68

Second copy of corrected proof of additional note on skin frictionLAN/1/2/69

Typewritten letter from G.C. King, Norman Thompson Flight Company, Ltd. to G. Simms, R.N. Air Station, KillingsholmeLAN/1/2/70

Written copy letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/71

Press cutting concerning the award of £2,250 by the Royal Commission on Awards to Inventors to the Norman Thompson Flight Company “in recognition of the utility during the war of Mr. Thompson’s inventions in flying-boats”LAN/1/2/72

Copy of postcard from Frederick Lanchester to Norman Thompson, 14 Queens Road, RichmondLAN/1/2/73

Letter from Rupert Thompson to Frederick LanchesterLAN/1/2/74

Copy typewritten letter from Frederick Lanchester to Rupert ThompsonLAN/1/2/75

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/76

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/77

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/78

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/79

Handwritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/80

Copy typewritten letter of LAN/1/2/80LAN/1/2/81

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/82

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/83

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/84

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/85

Typewritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/86

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/87

Typewritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/88

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/89

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/90

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/91

Typewritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/92

Typewritten letter from N.A. Th0ompson to Frederick LanchesterLAN/1/2/93

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/94

Typewritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/95

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/96

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/97

Typewritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/98

Card from N.A. Thompson to Frederick LanchesterLAN/1/2/99

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/100

Handwritten letter from Douglas White to Frederick LanchesterLAN/1/2/101

Copy typewritten letter of LAN1/2/101LAN/1/2/102

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/103

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/104

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/105

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/106

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/107

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/108

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/109

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/110

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/111

Letter from N.A. Thompson to Frederick LanchesterLAN/1/2/112

Typewritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/113

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/114

Typewritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/115

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/116

Typewritten letter from N.A. Thompson to Frederick LanchesterLAN/1/2/117

Copy typewritten letter from Frederick Lanchester to N.A. ThompsonLAN/1/2/118

Letter from Wilbur Wright to Frederick LanchesterLAN/1/2/119

Photographic copy of LAN/1/2/119LAN/1/2/120

Typed copy of LAN/1/2/119LAN/1/2/121

Letter from P.J. Cowan, Editor “Engineering” to Frederick LanchesterLAN/1/2/122

Typewritten letter from Orville Wright to Frederick LanchesterLAN/1/2/123

Patent Specification 9413 A (1907) on Improvements in Driving Mechanism for Aeronautical or Marine Propellers (second edition)LAN/1/2/124

Photographic negative copy of LAN/1/2/124LAN/1/2/125

Patent Specification 129,727 (1917) on An Improved Lateral Plumb Indicator for AircraftLAN/1/2/126

Patent Specification, 130,025 (1917) on Improvements in the Attachments of Aeronautical Propellers and in Bosses thereforeLAN/1/2/127

E.A. Sperry Patent Specification 152,008 (1918) on Gyroscopic Indicator Apparatus for Aircraft (second edition)LAN/1/2/128

Aircraft In Warfare'LAN/1/3

BombsLAN/1/4

The Daimler CompanyLAN/1/5

GibraltarLAN/1/6

The Lanchester CompanyLAN/1/7

OpticsLAN/1/8

PhotographyLAN/1/9

SoundLAN/1/10

UnitsLAN/1/11

Miscellaneous lettersLAN/1/12

Miscellaneous documents (scientific and technical)LAN/1/13

Miscellaneous documents (general)LAN/1/14

VersesLAN/1/15

PhotographsLAN/1/16

Manuscripts of published and unpublished worksLAN/1/17

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

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