Display is 14 characters, using Nixie tubes.
4 function & memory.
276 mm x 360 mm x 118 mm. (11" x 14" x 4.5").
Made in the Japan (by Hitachi) for Singer-Friden of the USA late 1960s/very early 1970s.
Has 4 circuit boards with Hitachi-manufactured Medium-Scale Integrate Circuits (MSI).
One was a competition prize in January 1971 when it was described "[This] lightweight machine is a little larger than a telephone directory."
With the cover removed. The circuit boards are stacked at the rear.
Inside, looking from the front with the keyboard removed showing the Nixie display tubes and three of the circuit boards with integrated circuits.
© Text & photographs copyright Nigel Tout 2000-2018 except where noted otherwise.