GAP/R Vacuum Tube K2-W Operational Amplifier

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Date Introduced
1955 ca.
Photographer
Richards, Mark
Dimensions
overall: 1 1/2 in x 2 in x 4 1/2 in
Manufacturer
George A. Philbrick Researches, Inc.
Credit Line
Gift of Thomas Turano
Copyright Owner
© Mark Richards
Location
United States
Keywords
Philbrick, George; Operational amplifier (op-amp)
Object ID
X91.82

George Philbrick started producing K2-W vacuum-tube operational amplifiers in 1952, inspired by modular “black boxes” he made for engineers to build their own analog computers.