Rick Brutti on Twitter: "1st scientific hand-held calculator the HP-35 was introduced 46 years ago today at $395 https://t.co/HaBea2yRuH https://t.co/YyfWxTSvBO" / Twitter
HP Calcs – HP 35s Calculator
HP-35S
1957 Johnson 35 HP Outboard Motor Owner's Manual
The HP-35 Calculator
HP 35s Manual | Educalc.net
1964 Johnson Evinrude Outboard 35 Hp Service Repair Manual by ngrkzezn - Issuu