Display is 8 digits, green fluorescent in a single tube.
6 v (4 x AAA).
Main integrated circuit is NEC μDP943C (here date coded 1975).
74 mm x 118 mm x 20 mm. (3" x 4.7" x 0.8").
Made in Japan.
IMPERIAL BUSINESS EQUIPMENT
Inside showing the circuit board. The VFD display is at the top and the NEC μPD943C integrated circuit is in the middle.
© Text & photographs copyright Nigel Tout 2000-2018 except where noted otherwise.