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Bausch & Lomb US Navy binoculars
Hydrogen lamp power supply, Model B
Slide rule (B)
Unidentified fuze, with pencilled note “Buse fuze.”
Keuffel & Esser Alidade
Galvanometer, deflection
Tower drafting set
Ion chamber, early (B)
pH meter, Model G
Cylindrical calculator
Galvanometer, thermo, Duddell patent
HIR (Mk135) fuze
Unidentified tube
Keuffel and Esser Paragon engineers ruler
Electroscope, quartz fiber
Resistor
pH meter, Model G
Two mineral samples
Travelling ruler
Cloud chamber, miniature

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