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GR type 547-A modulation meter
GR type 547-A modulation meter

GR type 547-A modulation meter

Inventory NumberRS0344
ClassificationMeter
Maker General Radio Company 1915-present
Place of Origin
    Dimensions19.7 x 45.7 x 28.6 cm, 26 lb. (7 3/4 x 18 x 11 1/4 in., 11.8 kg)
    Accessories1 battey (removed during FAE inventory).
    DescriptionModulation Meter, General Radio 457-A, Ser# 56. Batteries removed during FAE inventory.
    Signedetched and white filled on front panel: MODULATION METER / TYPE 547-A SERIAL NO. 56 / GENERAL RADIO CO. / CAMBRIDGE, MASS. on face of meter: GALVANOMETER / GENERAL RADIO COMPANY / MANUFACTURED BY / GENERAL (GE logo) ELECTRIC
    Inscribedstamped in black on lid: CRUFT / INSTRUCTION
    Grimes Baby Grand Duplex type 5B radio receiver
    Grimes Baby Grand Duplex type 5B radio receiver
    David Grimes Inc.
    Date: 1925
    Accessories: 2 batteries (removed during FAE inventory).
    Object number: RS0587
    Samson T-C 4-tube radio receiver
    Samson T-C 4-tube radio receiver
    Samson Electric Company
    Date: 1926
    Accessories: Cords and miscellaneous piece found inside during FAE inventory. 1 battery(removed during FAE inventory).
    Object number: RS0456
    piezoelectric oscillator, type 275
    piezoelectric oscillator, type 275
    General Radio Company
    Date: ca. 1924-1926
    Accessories: crystal unit; removable coil; 3 (?) batteries (removed during FAE inventory).
    Object number: RS0655
    Telechron electric clock with GR type 411 synchronous motor
    Telechron electric clock with GR type 411 synchronous motor
    General Radio Company
    Accessories: Screws in plastic bag, removed from glass tube during FAE inventory.
    Object number: RS0606
    GR type 514-A amplifier
    GR type 514-A amplifier
    General Radio Company
    Date: 1931
    Accessories: 5 batteries (removed during FAE inventory): three (3) Burgess #5308, 45 Volt "B" batteries and two (2) Bright Star No. 6, 1 1/2 volts dry cell batteries
    Object number: RS0670
    magnetostriction oscillator and modulator
    magnetostriction oscillator and modulator
    George Washington Pierce
    Date: circa 1926
    Accessories: 8 batteries (removed during FAE inventory).
    Object number: RS1275
    twin magnetostriction oscillator
    twin magnetostriction oscillator
    General Radio Company
    Date: circa 1926
    Accessories: 3 batteries (removed during FAE inventory).
    Object number: RS0205
    Low Frequency Oscillator 377-B
    Low Frequency Oscillator 377-B
    General Radio Company
    Accessories: 1 battery (removed during FAE inventory, 2011).
    Object number: RS0260
    homemade 4-tube radio receiver
    homemade 4-tube radio receiver
    American
    Date: circa 1925
    Accessories: 1 battery (removed during FAE inventory).
    Object number: RS0591
    GR Universal radio receiver
    GR Universal radio receiver
    General Radio Company
    Date: circa 1926
    Accessories: 3 batteries (removed during FAE inventory).
    Object number: RS0404
    Image Not Available for GR type 514-AR amplifier
    GR type 514-AR amplifier
    General Radio Company
    Date: circa 1931
    Accessories: 9 batteries (removed during FAE inventory - 11/2010).
    Object number: WJ0321
    Philco model 40-81T portable AM radio
    Philco model 40-81T portable AM radio
    Philco Corporation
    Date: circa 1940
    Accessories: Leather name tag holder - strap broken (stored inside unit). 1 battery (removed during FAE inventory).
    Object number: RS0065a