Title
Electro Technical Mark IVCatalog Number
102623920Type
Still imageDescription
Black and white image of two Mark IV plug in modules with covers removed to show components. A papertape segment is in front to show scale.On verso " Plug- in of the Mark IV" in ink.
Publisher
Electro Technical LaboratoryPlace of Publication
JapanIdentifying Numbers
| Other number | #1187 | Verso pencil |
Dimensions
overall: 4 1/2 in x 6 inCategory
PhotographCredit
Courtesy of Gwen BellLot Number
X7413.2015