Title
Plugboard for an IBM model 077 collatorCatalog Number
102677427Type
Physical objectDescription
"I.O.T.S" is written in pen on one edge. "IOT's" is written on the other edge. Object is a plugboard with a protective cover in place.Date
1937 ca.Manufacturer
PWI CompanyIdentifying Numbers
Other number | PWI 901 | Molded into metal on edge beneath handle |