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Angle
- Length
- Time
- Accesoires
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All brands
- A. Lietz
- Ahrend / Ahrin
- Air instruments Inc
- Ajax Engineering Co.
- American Paulin
- Apelco
- Astromedia Verlag
- Black + Decker
- Bosun
- Brand Fréres
- Butenschon
- C. Lewert
- C. Plath
- Carac
- Cary
- Central Scientific Company
- Charvoz
- Chesterman &Co
- Consolidated Instrument corp
- Cooke Hull
- Cooke Troughton Simms
- Cruver Mfg Co
- David White Co
- Davis Instruments
- de Koningh
- Decca Navigator Co
- Dillon Beck Mfg Co
- E.R. Watts and Son
- Ebbco
- Ed Sprenger
- Einson Freeman Co
- Electronic Laboratories
- Elliot Brothers
- Ertel & Sohn
- ESP Ltd.
- F. Barker and Son
- Faber Castell
- Fairchild Aviation
- G Mattheys
- G. Coradi
- Garmin
- H. Haecke
- Haff
- Heath & Wing
- Heath and Co
- Hemisferium
- Henry Browne and Son
- Henry Hughes and Son
- Hewlett Packard
- Hilger and Watts
- Hopkins Manufacturing
- Ilon Industries
- Irion & Vosseler
- J. Coombes
- JH Steward
- John Bruce and Sons
- Kelvin Hughes
- Kent
- Keuffel and Esser
- Kollsman Insrument
- KVH
- Lafayette Instruments
- Laserline Mfg
- Lefevbre Poulin
- Linex
- Link Aviation Devices
- Lomvum
- Lufkin
- Mechanism Ltd
- Mercer
- Mergenthaler Linotype
- Nooitgedagt
- Observator
- Optikotechna
- Ott
- Paul MacAlister
- R. Reiss
- Riefler
- Robert I Gordon
- Scansys
- Schick
- Sercel (Spectra Precision)
- Short & Mason
- Siemens Brothers and Co
- Silva
- Skandia
- Smiths Aircraft Instruments
- Stabila
- Stanley London
- Stanley Tools
- T. Cooke and sons
- Tamaya Technics
- Tavernier Gravet
- Technowa
- Things of Science
- Throughton & Simms
- TomTom
- Trimble
- US Naval Gun Factory
- van Essen
- VEB Freiberger
- Vyner
- W.Boosman
- W.L.Weissen
- Weems and Plath
- Welch Scientific Company
- Western Electric
- Wild Heerbrugg
- Wm. Ainsworth and Sons
- Books
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Material
Material
Time
Time is one of the elementairy measurements with other units such as distance nowadays depending on a correct time measurement. Time is measured using the oscilliations of an atom such as Cesium, Rubidium or Hydrogen. These time standards are atomic clocks. Together with my wife we have a number of clocks in the house of which some are related to navigation and positioning while others are just that, clocks.
The instruments in our collection can be divided into:
- Chronometers and other time measurement devices for accurate measurement of time onboard vessels
- Mechanical clocks for indicating time at home or the office
- Quartz / electronic clocks for indicating time at home or the office
Subcategories
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Mechanical clock
A mechanical clock uses the movement of a spring or pendulum to keep a regular time. The pendulum design is the oldest design after solar and water clocks.
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Electronic precision...
The electronic precision clock is designed to keep very accurate time. There are two basic types, the atomic clock (not in my collection) and the clock as a function of a navigation system where the computation of position is 4D (it includes an accurate time relative to the base system, for example GPS)
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- Material: Steel