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1 to 12 of 17
  • Year: 0  
  • Terms: Leeds & Northrup  
  • Terms: C5-G2  
  • Terms: Time-keeping  
  • Terms: Sextant  
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Leeds & Northrup Company, Philadelphia (3)
American Optical Company Instrument Division, Buffalo, NY (1)
American Relays Electronics Division, NY (1)
Codex Chart Papers, Norwood, MA (1)
Grason-Stadler, Concord, MA (1)
Her Majesty's Stationery Office, London (1)
Marconi Instruments, Englewood, NJ (1)
The Great Seal Patent Office, London (1)
Trevor, Philp & Sons, Ltd., London (1)

Year *

0 (17)

Thesaurus *

C5-G2 (8)
Time-keeping (7)
Subjects (4)
C5-G3 (4)
Leeds & Northrup (3)
C6-A1 (3)
Electricity (2)
C5-H1 (2)
Microscopes (1)
Optics (1)
Longitude (1)
Medicine (1)
Mathematics (1)
Electronics (1)
Psychology (1)
Lamps (1)
Galvanometers (1)
Telephone (1)
calendars (1)
nautical almanac (1)
telecommunications (1)
Optical Instruments--19 century (1)
Standard Time (1)
Clocks--20th Century advertisments (1)
Clocks, Self Winding (1)
Clocks, Biological (1)
Longitude Symposium, 1993 (1)
Littlmore Clock (1)
Line testing (1)
Bridges (1)

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Advertising, Class, and the Inner Workings of a Great Watch

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The Art of Time at Harvard: Museum Exhibitions at the Longitude Symposium, 1993

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Codex Binder Kit of Trial Sheets

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The Development and Downfall of Self-Winders

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Directions for 2100 Lamp and Scale Reading Device

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Directions: No. 8067 Mueller Temperature Bridge

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Electronics Division American Relays Electro-Mechnical Equipment and Components: 7-70 Guidebook

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Explanatory Supplement to the Astronomical Ephemeris and the American Ephemeris and Nautical Almanac

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Harvard and Standard Time

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The Leeds & Northrup Type S Dial Decade Portable Testing Set; A Radical Improvement Over Previous Designs, Bulletin 530A

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The Littlemore Clock

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A Measure of Time: 25th Anniversary of Trevor Philip & Sons

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