Hand written on a perferated label near middle knob, attached with cello tape
Metal label screwed to top edge
overall: 10 5/8 in x 6 1/2 in x 18 1/4 in
This ferrometer test equipment consists of a large metal box with removable cover. Inside the device features a 12 pin connector, a toggle switch, and 3 adjusting knobs. On one end there is a yellow gummed handwritten label containing "155 Ferrometer." At other end are 2 metal foil labels "Rogowski-Institut. F. Elektrotechnik Rhein.-Westf. Techn. Hochschule Aachen." The red label is stamped "MAG 1/5". Black label is stamped "Mm 10-5". Inside top reads " FERROMETER-ZUSATZGERAT ZII", dekadenspannungswandler (Ms. la. 16a).