Summary
Cathode ray tube with circular screen, made by Sylvania. Used in radar displays and cathode ray oscilloscopes.
Physical Description
Conical glass tube of circular cross-section with cylindrical extension to apex of cone. End of extension surrounded by metal collar and fitted with 11 connecting pins. Interior of wide end of conical tube is white. Interior of conical tube is black. The base locating spigot is missing
More Information
-
Collecting Areas
-
Manufacturer
Sylvania, United States of America, 1943
Sylvania Technical Manual 1959. Accessed 12/07/2013. Website section - Data for CRTs - lists Types 5BP1A. http://www.bunkerofdoom.com/tubes/syl59/HTMLS/1959.HTM -
Inscriptions
On metal collar at end of cylindrical section: SYLVANIA / MADE IN U.S.A. / [Logo] / (date code N 3) On glass part of cylindrical section: 5BPI Handwritten on label on side of conical section near wide end: UNREG
-
Classification
-
Category
-
Discipline
-
Type of item
-
Overall Dimensions
430 mm (Length), 135 mm (Outside Diameter)
-
References
Sylvania Technical Manual 1959. Accessed 12/07/2013. Website section - Data for CRTs - lists Types 5BP1A. [Link 1]
-
Keywords
