Title
"25 Years of Transistors, Progress in Electronics" StampCatalog Number
102743411Type
Physical objectDescription
This artifact is comprised of an envelope with a stamp, the stamp is what the obect title refers to.Date
1973 ca.Manufacturer
The United State Post OfficeDimensions
overall: 3 3/4 in x 6 1/2 in x 1/8 inCategory
Ephemera/otherCredit
Gift of William C. WorthingtonLot Number
X5979.2011