Source: https://news.google.com/newspapers?nid=1291&dat=19840330&id=TFpUAAAAIBAJ&sjid=towDAAAAIBAJ&pg=3630,10988216&hl=en
Share this post
Slide Rule ‘fast as calculator’ and Batteries…
Share this post
Source: https://news.google.com/newspapers?nid=1291&dat=19840330&id=TFpUAAAAIBAJ&sjid=towDAAAAIBAJ&pg=3630,10988216&hl=en