Standards of length Trafalgar Square

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Recent photograph of old instruments.

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Archive Record|Table of contents

Archive of Troughton and Simms and family papersVI/TS

Corporate RecordsVI/TS/1

Family papersVI/TS/2

Accounting and Financial RecordsVI/TS/3

Manufacturing recordsVI/TS/4

Records relating to Sir James South caseVI/TS/5

Sales recordsVI/TS/6

Catalogues and price listsVI/TS/6/1

Photograph albums of instruments and worksVI/TS/6/2

Individual photographs of instruments and worksVI/TS/6/3

Charlton works: workshop viewVI/TS/6/3/1

Charlton works: exterior viewVI/TS/6/3/2

TheodoliteVI/TS/6/3/3

TheodoliteVI/TS/6/3/4

Meridian and equal altitude instrumentVI/TS/6/3/5

Large theodoliteVI/TS/6/3/6

TheodoliteVI/TS/6/3/7

TheodoliteVI/TS/6/3/8

TheodoliteVI/TS/6/3/9

LevelVI/TS/6/3/10

10" theodolite for Victoria GovernmentVI/TS/6/3/11

10" theodolite for Victoria GovernmentVI/TS/6/3/12

TheodoliteVI/TS/6/3/13

Transit circle, Royal Observatory, Cape TownVI/TS/6/3/14

Zenith telescopeVI/TS/6/3/15

Zenith telescopeVI/TS/6/3/16

Zenith telescopeVI/TS/6/3/17

Zenith telescopeVI/TS/6/3/18

Zenith telescopeVI/TS/6/3/19

Zenith telescopeVI/TS/6/3/20

Zenith telescopeVI/TS/6/3/21

Transit instrumentVI/TS/6/3/22

Transit instrumentVI/TS/6/3/23

Large transit instrument in worksVI/TS/6/3/24

Large transit instrument in worksVI/TS/6/3/25

Telescope on large stand.VI/TS/6/3/26

Balloon theodoliteVI/TS/6/3/27

Balloon theodoliteVI/TS/6/3/28

Measuring apparatusVI/TS/6/3/29

Measuring apparatus in cabinetVI/TS/6/3/30

Mier's students' goniometerVI/TS/6/3/31

Micrometer eyepieceVI/TS/6/3/32

Transit circleVI/TS/6/3/33

Astrographic micrometerVI/TS/6/3/34

Transit circleVI/TS/6/3/35

Transit instrumentVI/TS/6/3/36

SpectrometerVI/TS/6/3/37

SpectrometerVI/TS/6/3/38

SpectrometerVI/TS/6/3/39

SpectrometerVI/TS/6/3/40

SpectrometerVI/TS/6/3/41

TheodoliteVI/TS/6/3/42

TheodoliteVI/TS/6/3/43

TheodoliteVI/TS/6/3/44

TheodoliteVI/TS/6/3/45

10" Everest theodoliteVI/TS/6/3/46

Large theodoliteVI/TS/6/3/47

10" theodolite for Victoria GovernmentVI/TS/6/3/48

TheodoliteVI/TS/6/3/49

TheodoliteVI/TS/6/3/50

TheodoliteVI/TS/6/3/51

TheodoliteVI/TS/6/3/52

TheodoliteVI/TS/6/3/53

TheodoliteVI/TS/6/3/54

Large theodoliteVI/TS/6/3/55

TheodoliteVI/TS/6/3/56

TheodoliteVI/TS/6/3/57

Transit instrumentVI/TS/6/3/58

Transit instrumentVI/TS/6/3/59

Telescope?VI/TS/6/3/60

Machine?VI/TS/6/3/61

Unknown instrumentVI/TS/6/3/62

Unknown instrumentVI/TS/6/3/63

Unknown instrumentVI/TS/6/3/64

Unknown instrumentVI/TS/6/3/65

Unknown instrumentVI/TS/6/3/66

Reflecting circleVI/TS/6/3/67

Micrometer eye pieceVI/TS/6/3/68

TheodoliteVI/TS/6/3/69

LevelVI/TS/6/3/70

Balloon theodoliteVI/TS/6/3/71

Boiler?VI/TS/6/3/72

Troughton's dividing engineVI/TS/6/3/73

Troughton's dividing engineVI/TS/6/3/74

Troughton's dividing engineVI/TS/6/3/75

2' transit theodoliteVI/TS/6/3/76

2' transit theodoliteVI/TS/6/3/77

2' transit theodoliteVI/TS/6/3/78

2' transit theodoliteVI/TS/6/3/79

2' transit theodoliteVI/TS/6/3/80

2' transit theodoliteVI/TS/6/3/81

2' transit theodoliteVI/TS/6/3/82

2' transit theodoliteVI/TS/6/3/83

2' transit theodoliteVI/TS/6/3/84

2' transit theodoliteVI/TS/6/3/85

2' transit theodoliteVI/TS/6/3/86

Octant (M0017) TroughtonVI/TS/6/3/87

Octant (M0017) TroughtonVI/TS/6/3/88

Sextant (M0018) Troughton (37E)VI/TS/6/3/89

Sextant (M0025) Troughton (37E)VI/TS/6/3/90

Sextant (M0025) Troughton (37E)VI/TS/6/3/91

Sextant (M0025) Troughton (37E)VI/TS/6/3/92

Reflecting circle Troughton (M0016)VI/TS/6/3/93

Reflecting circle Troughton (M0016)VI/TS/6/3/94

Reflecting circle on stand (M0013) Troughton and Simms (25E)VI/TS/6/3/95

Reflecting circle on stand (M0013) Troughton and Simms (25E)VI/TS/6/3/96

Reflecting circle on stand (M0013) Troughton and Simms (25E)VI/TS/6/3/97

Reflecting circle on stand (M0013) Troughton and Simms (25E)VI/TS/6/3/98

Reflecting circle on stand (M0015) Troughton and Simms (25E)VI/TS/6/3/99

Reflecting circle on stand (M0015) Troughton and Simms (25E)VI/TS/6/3/100

Level (M0009) Troughton and Simms (28E)VI/TS/6/3/101

Level (M0009) Troughton and Simms (28E)VI/TS/6/3/102

Level (M0011) Troughton and Simms (28E)VI/TS/6/3/103

Level (M0011) Troughton and Simms (28E)VI/TS/6/3/104

Level (M0011) Troughton and Simms (28E)VI/TS/6/3/105

Y Theodolite (M0026) Troughton and SimmsVI/TS/6/3/106

Y Theodolite (M0026) Troughton and SimmsVI/TS/6/3/107

Y Theodolite (M0026) Troughton and SimmsVI/TS/6/3/108

Y Theodolite (M0028) Troughton and SimmsVI/TS/6/3/109

Y Theodolite (M0028) Troughton and SimmsVI/TS/6/3/110

Zenith telescope (M0010) Troughton and Simms (44E)VI/TS/6/3/111

Zenith telescope (M0010) Troughton and Simms (44E)VI/TS/6/3/112

Zenith telescope (M0010) Troughton and Simms (44E)VI/TS/6/3/113

Zenith telescope (M0010) Troughton and Simms (44E)VI/TS/6/3/114

Zenith telescope (M0027) Troughton and Simms (44E)VI/TS/6/3/115

Zenith telescope (M0027) Troughton and Simms (44E)VI/TS/6/3/116

Zenith telescope (M0027) Troughton and Simms (44E)VI/TS/6/3/117

Altazimuth (M0020) Troughton and Simms (43E)VI/TS/6/3/118

Altazimuth (M0021) Troughton and Simms (43E)VI/TS/6/3/119

Altazimuth (M0021) Troughton and Simms (43E)VI/TS/6/3/120

Transit instrumentVI/TS/6/3/121

Transit instrumentVI/TS/6/3/122

Reflecting circleVI/TS/6/3/123

Reflecting circleVI/TS/6/3/124

Reflecting circleVI/TS/6/3/125

Reflecting circleVI/TS/6/3/126

TheodoliteVI/TS/6/3/127

Meridian telescopeVI/TS/6/3/128

PantographVI/TS/6/3/129

Ordnance calipersVI/TS/6/3/130

Boxwood rule pattern clinometer and protractorVI/TS/6/3/131

Boxwood rule pattern clinometer and protractorVI/TS/6/3/132

Boxwood rule pattern clinometer and protractorVI/TS/6/3/133

ProtractorVI/TS/6/3/134

ProtractorVI/TS/6/3/135

ProtractorVI/TS/6/3/136

ProtractorVI/TS/6/3/137

ProtractorVI/TS/6/3/138

ProtractorVI/TS/6/3/139

ProtractorVI/TS/6/3/140

ProtractorVI/TS/6/3/141

ProtractorVI/TS/6/3/142

Portable transitVI/TS/6/3/143

Mural circleVI/TS/6/3/144

Standards of length Trafalgar SquareVI/TS/6/3/145

Standards of length Trafalgar SquareVI/TS/6/3/146

Standards of length Trafalgar SquareVI/TS/6/3/147

Standards of length Trafalgar SquareVI/TS/6/3/148

Standards of length Trafalgar SquareVI/TS/6/3/149

Standards of length Trafalgar SquareVI/TS/6/3/150

Individual glass plates of instrumentsVI/TS/6/4

PublicationsVI/TS/7