Electrosolids Corp. Electronic Calculator
Some time ago while looking through old jounals the above announcement, which appeared in the journal 'Electronics' of April 28, 1961, was discovered.
This was well before any other company had announced an electronic desktop calculator, and was quite a puzzle since the name Electrosolids Corporation was not known to be linked in any way to calculators.
Rick Bensene, a technical historian of early electronic calculators, has performed some impressive detective work and the fascinating story can be read at his "Old Calculator Web Museum" at http://www.oldcalculatormuseum.com/scm240sr.html.
