Calculating Machines

Other Calculating Machines

American History Museum

Several mechanisms other than stepped drums or pinwheels were used in calculating machines, both in early prototypes and in successful products.

Warren Experimental Calculating Machine

Warren Experimental Calculating Machine Model

Barbour Calculating Machine Model

Barbour Calculating Machine

Grant Calculating Machine, Centennial Model

Grant Improved Calculating Machine Model

Grant Calculating Machine

Mercedes-Euklid Model 1 Calculating Machine

Account-o-Graph Calculating Machine

Mercedes-Euklid Model 12 Calculating Machine

Mercedes-Euklid Model 8 Calculating Machine

Marchant Model 10M Calculating Machine

Marchant Model 8M Calculating Machine

Marchant Model 10D Calculating Machine

Marchant Model ACT10M Calculating Machine

Marchant Calculating Machine Stand

Marchant Model ACR8M Calculating Machine

Mercedes-Euklid Model 38MS Calculating Machine

Marchant Model ACT10M Calculating Machine

Marchant Model 10FA Calculating Machine

Marchant Model 10EFA Calculating Machine, Figuremaster

Marchant Model G-8EFA Calculating Machine (Figuremaster)

Marchant Model 8DRX Calculating Machine - Figurematic

Marchant Calculating Machine Model

SCM Marchant Model 10CM Calculating Machine, Figurematic

Friden Adding Machine Cover

SCM Marchant Model 8CD Calculating Machine

SCM Marchant Model 10-CMA Calculating Machine

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