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(1 - 10 of 10)
Magnetic relay for electronic switching
Title
Magnetic relay for electronic switching
Abstract
Developed in the 1940s or 1950s for Bell System automatic switching, by R.M. Bozorth (CIT 1922). Mfg. Bell Labs.
ID number
ST-ME-02
Army air force bubble sextant
Title
Army air force bubble sextant
Abstract
Battery operated, night reading, cylinder recording, bubble sextant for measuring latitude.
ID number
ST-GH-010
Aviation altimeter
Title
Aviation altimeter
Abstract
Kollsman war surplus aviation altimeter.
ID number
ST-GH-015
Security stopwatch
Title
Security stopwatch
Abstract
One jewel analog Swiss security stopwatch.
ID number
ST-GH-017
Wrico lettering set
Title
Wrico lettering set
Abstract
Used for drafting. Housed in wooden box.
ID number
ST-GH-028
Wrico lettering set
Title
Wrico lettering set
Abstract
Used for drafting. Housed in wooden box.
ID number
ST-GH-029
Wrico lettering set
Title
Wrico lettering set
Abstract
Used for drafting. Housed in bakelite box.
ID number
ST-GH-030
Wrico lettering set
Title
Wrico lettering set
Abstract
Small lettering set used for drafting. Housed in wooden box.
ID number
ST-GH-031
Keuffel and Esser Le Roy lettering set
Title
Keuffel and Esser Le Roy lettering set
Abstract
Used for drafting. Housed in wooden box.
ID number
ST-GH-032
Tower drafting set
Title
Tower drafting set
Abstract
Comprised of dividers and compasses. Manufactured in Germany.
ID number
ST-GH-036