Calculators & Adding Machines...

CALCULATORS (pre-'50s)

• Bell Punch calculator
• Comptometer calculator
• Victor adding machine
• Burroughs Hand Crank Adding Machine
• Burroughs Mechanical Calculator
• Large glass-sided Burroughs calculator
• Friden STW calculating machine
• 1925 Burroughs Portable Adding Machine
• Lightning Adding Machine

Other CALCULATORS ('50s--70's)

• Marchant Adding Machine
• REMINGTON RAND ADDING MACHINE
• Victor electro-mechanical adding machine
• 1950'S CALCULATOR
• 1957-60 Burroughs J289 10 key adder
• Olivetti-Underwood Adding Machine

Small CALCULATORS

• Picket N1010-T Slide Rule
• Baby Calculator
• Pickett 160T Slide Rule
• Sterling Slide Rule
• TI-30 Electronic Slide-Rule calculator
• Eng.Instr. Wooden slide-rule
• abacus
• PRODUX Handheld Mechanical Calculator
• Burroughs NIXIE calculator
• Addipresto calculator from Italy
• NSC calculator
• TI-1025 BLUE LED CALCULATOR
• [German] Addiator

Victor

Burroughs

Bell Punch

Comptometer "F"