As the pandemic spread and live book fair events shut down around the world, Virtual Book Fairs (VBF) offered a new way to buy and sell books online. At last count, there have been at least a couple dozen virtual fairs organized by IOBA, PBFA, Getman, ABAA, ABA (“Firsts”), SLAM and others. Judging from the […]
A universal notation with symbols employed that are few and simple enough, furnish the most important assistance in the design of the order and succession of the movements in a machine’s engine. This was the most important tool that Mr. Charles Babbage employed in his attempts to construct his celebrated calculating machines. In his own […]
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