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