Two full pages advertisement for the HP-35, HP-45 pocket and HP-46 desktop printing scientific calculators.

Note similar machines in collection Calculant:

• July1972: Hewlett Packard HP 35 Calculator serial 1230A 79429, 1972 (second version)
• December 1973: Hewlett Packard HP 45 Calculator serial 1350A 36719, 1973

Two full pages advertisement for the HP-35, HP-45 pocket and HP-46 desktop printing scientific calculators.

1973 “HP Measurement/Computation:changing things for the better”, Scientific American, July 1973, pp. 6–7. Original print article.

Two full page advertisement for the HP-35, HP-45 pocket and HP-46 desktop printing scientific calculators.

http://meta-studies.net/pmwiki/uploads/Misc/HPAdSciAmerican.jpg

1973 two page advertisement in the Scientific American for the two pocket scientific calculators - the HP-35 and HP-45, and the desktop printing HP-46.

http://meta-studies.net/pmwiki/uploads/Misc/HPAdSciAmerican.jpg