Rivendell Cinetron

Rivendell Cinetron

Launched in late 1976, the Rivendell Cinetron, on the left, showed the clever adaption of a Sinclair Oxford 100 hand-held calculator mounted on a box with extra electronics to provide digital frame/time counter and calculator functions for use with sound synchronisation in cine film making.

The Rivendell Cinetron Mark 2, on the right, is a follow-up version based on the Sinclair Oxford Universal calculator, using similar electronics in the control box.

Photograph inside showing, on the right, the green underside of the circuit board of the Sinclair Oxford 100 hand-held calculator mounted on the front of the box and the extra components.

There is more information about these calculators and more photographs of them on the associated site at http://vintagecalculators.com/html/rivendell_cinetron.html

Vintage British Calculators