TUBE, VACUUM
| Nom de l'objet : | TUBE, VACUUM |
| Type de l'objet : | ELECTRICAL & MAGNETIC TOOLS AND EQUIPMENT |
| Classification de l'objet : | TOOLS AND EQUIPMENT FOR SCIENCE AND TECHNOLOGY |
| Matériaux : | GLASS METAL:PLASTIC: |
| Numéro d'accession : | 2001.919.001 |
| Description : | This is a group of nineteen "ST-Shape" vacuum tubes. Each has a clear glass bulb with a black plastic (possibly Bakelite) base..1) Length: 10.1 cm. A six-pronged No.41E vacuum tube made by Philco in the U.S.A..2) Length: 10.0 cm. A six-pronged vacuum tube made by General Electric in Canada. There is a yellow and red paper label adhered to the side of the bulb that reads "Ridsdale Electric and Appliance. General Electric Appliances. 28 Ainslie St. South. Phone 1077 Galt, Ontario. We recommend General Electric Radiotrons. This tube is FAIR"..3) Length: 10.0 cm. A six-pronged No.41 Radiotron vacuum tube made by Marconi in Canada. Licensed for Thermionics..4) Length: 9.9 cm. A five-pronged No.84 6Z4 vacuum tube made by Westinghouse in Canada..5) Length: 10.0 cm. A five-pronged No.76 vacuum tube made by Westinghouse in Canada..6) Length: 10.0 cm. A six-pronged No.6E5 vacuum tube made by Westinghouse. It has a metal clip hooked around the base and a black cardboard collar around the top part of the bulb..7) Length: 10.4 cm. A six-pronged vacuum tube. There is a silver-coloured metallic coating inside the bulb..8) Length: 10.4 cm. A five-pronged vacuum tube that is almost entirely covered with grey paint..9) Length: 11.1 cm. A four-pronged No.80 Radiotron vacuum tube made by Westinghouse in Canada. Patented 1923-1940..10) Length: 11.0 cm. A four-pronged No. 26 Radiotron vacuum tube made by Marconi in Canada..11) Length: 10.9 cm. A four-pronged No. 45 Radiotron vacuum tube made by Marconi in Canada..12) Length: 11.2 cm. A four-pronged vacuum tube made by Marconi in Canada. Patented 1922-1939. There is a small sticker adhered to the side of the base..13) Length: 10.7 cm. A four-pronged No.80 Radiotron vacuum tube made by Westinghouse in Canada. Patented 1922-1939..14) Length: 11.2 cm. A six-pronged No.42 vacuum tube. The bulb is loose and there is a small amount of silver-coloured metallic coating inside the bulb..15) Length: 12.7 cm. A four-pronged vacuum tube. The glass forms a tiny point at the top of the bulb..16) Length: 12.2 cm. A five-pronged No.46 vacuum tube made by Philco in the U.S.A..17) Length: 12.8 cm. A four-pronged No.83 vacuum tube made by Cunningham (RCA) in Canada..18) Length: 12.8 cm. A four-pronged No. JAN 2A3 w vacuum tube made by Westinghouse in Canada..19) Length: 12.8 cm. A four-pronged No.5Z3 vacuum tube made by RCA in the U.S.A. various ORIGINAL |
| Établissement : |
Doon Heritage Crossroads
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| Ville de l'établissement : | Kitchener |
| Province de l'établissement : | Ontario |
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