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Images(5)
shop-built triode
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© Collection of Historical Scientific Instruments, Harvard University
Images(5)
shop-built triode
Inventory Number
VT1549
Classification
Vacuum Tube
Maker
Cruft Laboratory, Harvard University
founded 1914
Cultural Region
Place of Origin
Dimensions
11.2 × 3.2 × 3.2 cm (4 7/16 × 1 1/4 × 1 1/4 in.)
Description
CRIMPED CONSTRUCTION
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experimental tetrode tube
Cruft Laboratory, Harvard University
Date:
1930-1935
Object number:
VT0885
shop-built triode
Cruft Laboratory, Harvard University
Object number:
VT0204
shop-built triode
Cruft Laboratory, Harvard University
Object number:
VT0197
shop-built triode
Cruft Laboratory, Harvard University
Date:
1921
Object number:
VT1021
Image Not Available
for shop-built triode
shop-built triode
Cruft Laboratory, Harvard University
Date:
1921
Object number:
VT1020
Image Not Available
for shop-built experimental triode
shop-built experimental triode
Cruft Laboratory, Harvard University
Object number:
VT0515
shop-built experimental triode
Cruft Laboratory, Harvard University
Object number:
VT0516
Image Not Available
for shop-built triode?
shop-built triode?
Cruft Laboratory, Harvard University
Object number:
VT0817
shop-built UV-201? triode
Cruft Laboratory, Harvard University
Object number:
VT1311
shop-built diode, multi-anode
Cruft Laboratory, Harvard University
Date:
1938
Object number:
VT0224
shop-built FIL TEST
Cruft Laboratory, Harvard University
Date:
1929
Object number:
VT0227
shop-built FIL TEST
Cruft Laboratory, Harvard University
Date:
1929
Object number:
VT0228
