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Electronic voice key
Electronic voice key

Electronic voice key

Inventory NumberWJ0265
ClassificationVoice Key
Maker Ralph Gerbrands Company 1930 - 1994
Dimensions23 x 36.5 x 25.7 cm (9 1/16 x 14 3/8 x 10 1/8 in.)
Signedin white on front panel, center: ELECTRONIC VOICE KEY / R. GERBRANDS, ARLINGTON, MASS.
Inscribedin white on back, lower right: 117 V. AC 60 in white on back, lower right: 24
cumulative recorder
Ralph Gerbrands Company
Date: 1955-1960
Object number: WJ1229
cumulative recorder
Ralph Gerbrands Company
Date: 1955-1960
Object number: WJ1230
Pellet dispenser/feeder for rats or monkeys to reinforce appropriate behavior
Ralph Gerbrands Company
Date: circa 1963
Object number: 1999-1-0050a
cumulative recorder
Ralph Gerbrands Company
Date: circa 1960
Object number: WJ0319
cumulative recorder
Ralph Gerbrands Company
Date: circa 1960
Accessories: grey power cord; spare roll of paper
Object number: 1999-1-0008
cumulative recorder
Ralph Gerbrands Company
Date: circa 1960
Accessories: grey power cord; roll of paper; spare pen; cleaning wire; rubber hat (under pens)
Object number: 1999-1-0007a
cumulative recorder
Ralph Gerbrands Company
Date: circa 1960
Accessories: Spare pen; roll of paper; power cord; cleaning wire; small sponge; gears (2)
Object number: 1999-1-0002
cumulative recorder
Ralph Gerbrands Company
Date: circa 1965
Accessories: power cord (attached)
Object number: 1998-1-0012
cumulative recorder
Ralph Gerbrands Company
Date: circa 1950
Accessories: bob hanging by green thread on side; black and red power cord; spare fastening pins in envelope; spare roll of paper
Object number: 1999-1-0004
punched tape reader
Ralph Gerbrands Company
Date: 1960-1970
Object number: 1999-1-0010
punched tape reader
Ralph Gerbrands Company
Date: 1960-1970
Object number: 1999-1-0012
ink flow syringe
Ralph Gerbrands Company
Date: 1960-1970
Object number: 1999-1-0019