Nordac II Digital Computer Trainer
Scientific Products Educational Corporation
||H5 90 Carved into back of case
7 1/4 x 24 x 13 1/2 in.
On the interior faceplate, there are spaces for 15 apparently interchangable circuit modules, but only 13 modules are present. Wooden lid is attached to the main body of the case with demountable hinges to that it disconnects from the case when it is fully opened.