Media Summary: The Arithma Addiator, from the 1970s. This is episode 4 of my video series about The Ve-Po-Ad from the 1930s or so. This is episode 21 of my video series about The Equameter, invented by H. Joseph Gerber in the 1940s. My version is a bit different. It measures Taylor and Fourier ...
Little Dillie Pocket Adding Machine Review Howto - Detailed Analysis & Overview
The Arithma Addiator, from the 1970s. This is episode 4 of my video series about The Ve-Po-Ad from the 1930s or so. This is episode 21 of my video series about The Equameter, invented by H. Joseph Gerber in the 1940s. My version is a bit different. It measures Taylor and Fourier ... The Supermarket Quick Adder. Also maybe called the