Gerber Variable Scale Review Howto

Summary

Join us in our 'Innovative Icons' series as we take a close look at the 2020 Connecticut Innovation Dollar, celebrating the The Equameter, invented by H. Joseph My practice run for a talk delivered at the 14th Gathering 4 Gardner, in Atlanta on April 8, 2022. I have full videos about 3 of these: ... The Caliputer, from the 1960s. This is episode 36 of my video series about calculating devices. My own scan of the one-sheet ... The Postagemiser, from the 1990s (and before), plus the "Postal The Gerbert abacus, designed by Gerbert d'Aurillac in the late 900s AD. It's a counting board with counters marked with arabic ... The Color Helm published by Fiatelle, Inc. in 1940. It's a cardboard volvelle wheel chart for choosing color combinations. A sampling of graph papers included in the Keuffel & Esser company (K+E) catalog, 42nd edition, 1960. This is episode 51 of my ... A Million Random Digits with 100000 normal deviates, published in 1955 by the RAND corporation. It was used for random ... The instrument traverse nomogram, made in the 1980s in the USSR. This is an english version of the номограмма ... The Gem Adding Machine, probably from the 1950s. Usually known as the Golden Gem Adding Machine. This is episode 31 of my ...