For Sale -- Various Engineering slide calculators from the 50's and 60's 
Paypal preferred (prices do not include paypal fee), will ship via USPS flat rate envelope. Most calcs are two-sided. Click on links for photo of the calculator.
PM me to buy, ask questions in this thread (someone might have the same question you do!).
Aetna Bearing Calculator (Paper, Rotary, 1953, USA) $2.50
Alcott Calculator Steel Sheet Computer (Plastic, Rotary, 1964, USA) $4.00
Alcott Structural Steel Design Guide (Plastic, Rotary, 1964, USA, Yellow) $4.00
Alcott Structural Steel Detail Guide (Plastic, Rotary, 1964, USA, Red) $4.00
Alcott Steel Weight Finder (Paper, Rotary, 1956, USA) $4.00
All four Alcott Calculators as a package - $12.00
Atlas Roller Chain Drive Calculator (Paper, Linear, USA) $2.50
Curtiss-Wright Corp. Thermal Expansion Computer (Paper, Rotary, 1955, USA) $3.00
Harper Corrosion Computer (Paper, Linear, USA) $1.00
Hoke Corrosion Computer (Paper, Linear, USA, 1959) $1.00
K&E Screw, Key, Thread, and Rivet Selector (Plastic/Paper, Linear, USA, 1967, New in Envelope) $8.00 (This one is awesome
)
Lord Isolator and Coupling Calculator (Paper, Linear, USA, 1964) $2.50
Newcomb Spring Calculator (Paper, Linear, USA, 1957) (two on hand) $2.50
Nooter Coupling and Flange Calculator (Paper, Linear, USA, 1950) $2.50
Reynolds Aluminum Weight Calculator (Paper/Plastic, Linear, USA) $4.00
Stackpole Rotary Switch Calculator (Plastic, Linear) $1.00
Stimpson Eyelet Calculator (Paper, Rotary, USA, 1966) (photo on request) $1.00
Stow Flexible Shafting Calculator (Paper, Linear, USA) (two on hand) $1.00
Unbrako Screw Calculator (Plastic/Paper, Linear, USA) $4.00
USS Steel Sheet Gage Cards (Paper, Reference, USA, 1968, 5 pages) (photo on request) $1.00
Paypal preferred (prices do not include paypal fee), will ship via USPS flat rate envelope. Most calcs are two-sided. Click on links for photo of the calculator.
PM me to buy, ask questions in this thread (someone might have the same question you do!).
Aetna Bearing Calculator (Paper, Rotary, 1953, USA) $2.50
Alcott Calculator Steel Sheet Computer (Plastic, Rotary, 1964, USA) $4.00
Alcott Structural Steel Design Guide (Plastic, Rotary, 1964, USA, Yellow) $4.00
Alcott Structural Steel Detail Guide (Plastic, Rotary, 1964, USA, Red) $4.00
Alcott Steel Weight Finder (Paper, Rotary, 1956, USA) $4.00
All four Alcott Calculators as a package - $12.00
Atlas Roller Chain Drive Calculator (Paper, Linear, USA) $2.50
Curtiss-Wright Corp. Thermal Expansion Computer (Paper, Rotary, 1955, USA) $3.00
Harper Corrosion Computer (Paper, Linear, USA) $1.00
Hoke Corrosion Computer (Paper, Linear, USA, 1959) $1.00
K&E Screw, Key, Thread, and Rivet Selector (Plastic/Paper, Linear, USA, 1967, New in Envelope) $8.00 (This one is awesome
)
Lord Isolator and Coupling Calculator (Paper, Linear, USA, 1964) $2.50
Newcomb Spring Calculator (Paper, Linear, USA, 1957) (two on hand) $2.50
Nooter Coupling and Flange Calculator (Paper, Linear, USA, 1950) $2.50
Reynolds Aluminum Weight Calculator (Paper/Plastic, Linear, USA) $4.00
Stackpole Rotary Switch Calculator (Plastic, Linear) $1.00
Stimpson Eyelet Calculator (Paper, Rotary, USA, 1966) (photo on request) $1.00
Stow Flexible Shafting Calculator (Paper, Linear, USA) (two on hand) $1.00
Unbrako Screw Calculator (Plastic/Paper, Linear, USA) $4.00
USS Steel Sheet Gage Cards (Paper, Reference, USA, 1968, 5 pages) (photo on request) $1.00
Last edited: