Artifact Details Title Whirlwind vacuum tube type 7AK7 Catalog Number 102733048 Type Physical object Description This record contains one Whirlwind vacuum tube type 7AK7. It has 7 pins, with a blank 8th spot for a pin. There is a locating pin in the center of the pins. There are various components on the inside of the glass. Date 1951 Manufacturer Sylvania Place Manufactured U.S. Identifying Numbers Other number 3-F0-V10-1 Stamped in green on the side. Other number 913 Stamped on the side. Other number AK-1482 Stamped on the side. Part number 7AK7 Printed on the top. Dimensions overall: 3 in x 1 in x 1 in Category Component/vaccum tube Credit Gift of the Digital Equipment Corporation Lot Number X115.82
