Title
Model 6291 photo multiplierCatalog Number
102731481Type
Physical objectDescription
The record contains ten 12 pin vacuum tubes type 6291. The tube has a brown plastic base and a mirrored top.Manufacturer
DuMont LaboratoriesPlace Manufactured
U.S.Identifying Numbers
| Model number | 6291 | Printed in green on the base of the tube |
| Other number | 4-55 | Stamped at the top the tube |
| Other number | 9247ED | Second number stamped at the top of the tube |
Dimensions
overall: 4 3/4 in x 1 1/2 in x 1 1/2 inCategory
Component/vacuum tube
