Summary
Group of ten electronic valves (twin tetrodes), Type 5751, manufactured by RCA in original packaging. Used as a spare parts for the MUDPAC analogue computer. These valves were used in the first (input) stage of the operational amplifier modules. The 5751 was a special quality valve designed for critical applications such as this.
Physical Description
Ten boxes with electronic valves; five in each original packaging shipper. Tubular glass bulb with exhaust tip on top with standard nine pin miniature base. Cardboard box with red glossy background; black and white printed text.
More Information
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Collection Names
Melbourne University Dual Package Analogue Computer (MUDPAC) Collection
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Collecting Areas
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Acquisition Information
Donation from Electrical & Electronic Engineering Department, University of Melbourne (The), 02 Dec 1987
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Manufacturer
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Inscriptions
On bulbs: ' U.S.A. / 5751 / RCA / 7635 ', ' U.S.A. / 5751 / RCA / 7230 ', ' U.S.A. / 5751 / RCA / 7309 ' On boxes: ' RCA Electron / Tube ', ' RCA / 5751 ', ' RCA Electronic Components / Harrison, NJ 07029 / Country of Origin / As Marked on Tube ' Inside boxes, on flap: ' 32R5-R / (4-70) '
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
135 mm (Length), 55 mm (Width), 77 mm (Height)
Above dimensions are for each of two larger packaging boxes, each containing 10 valves in individual boxes.
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Part Dimensions
25 mm (Width), 25 mm (Depth), 85 mm (Height)
Dimensions of boxes for each individual valve.
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Part Dimensions
55 mm (Height), 20 mm (Outside Diameter)
Dimensions for each valve only.
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Keywords
Electronics, Analogue Computers, Computers, Computer Technology, Electronic Engineering, Thermionic Electron Valves, Computer Engineering, Computer Hardware, MUDPAC (Computer)
