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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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Tachymeter
The tachymeter can be used to measure both angles as well as horizontal and vertical distances. Depending on whether it is an optical or electronic tachymeter a special staff or prism is required. The optical type uses an elaborate system to convert the measured distance difference on a staff into a horizontal and vertical distance (height) without having to perform angular computations. In the digital type the values are read directly from the displays and as such the digital tachymeter is the forebear of the (integrated) total station instrument in land surveying. Most of the instruments in my collection are from Wild Heerbrugg.
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- Material: Wood