A Great Ad for the Comptometer, 1894

JF Ptak Science Books   Quick Post

Earlier in this blog I posted a magnificent illustration of the fabulous new comptometer adding/calculating machine, here.  I wanted to include this unusually designed ad for the machine somewhere on the blog before I lost it (again), and so here it is:

Comptometer379In my experience the use of diagonal black-and-white lines like this for illustration or advertisements was really very uncommon.  

By: Ptak Science Books
Via: Feedbin Starred Entries
Source: http://j.mp/1F3UU7r

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