3 Office Antiques Collectors Books by Thomas A. Russo

Calculating Machines

"Archimedes Model C 16" Arithmometer, 1906

Hines Patent Calculator, 1905 onwards

Thomas' "Arithmomètre", c. 1870

Conto Model A Calculator, 1908

Swiss "Conto Model C" Calculating Machine, 1912

Madas Model 1 Calculating Machine, 1913-1916

T-I-M Mod. 1 (Unitas), 1907

4 Calculating Machines

4 Adding Machines

Curta Type II Calculator (Black), 1954

Arithmometer - Original Odhner (Russian), c. 1900

"Archimedes Mod. A" Arithmometer, 1906

3 American Adding Machines

Calculating Boy, c. 1913

"Palmer's Pocket Scale", 1844

"Groesbeck's Calculating Machine", 1870

Arithmomètre Payen, c. 1880

4 American Mechanical Adding Machines

"Bunzel" Brass Stepped-Drum Calculating Machine, 1908

Prototype Laughlin Automatic Adding Machine, 1918

XxX ('X multiplied by X') Keyboard Calculating Machine, 1906 onw

6 Calculating Machines

Pocket Adder by Le Paute, Paris 19th Century

Brass Stepped-Drum Calculating Machine Bunzel-Delton No. 5, 1908

6 Spoked-Wheel Calculating Machines

Loga Calculating Drum, c. 1930

6 Spoked-Wheel Calculating Machines

2 Calculating Machines, c. 1920

The Summator Large Disc Adder, 1855

8 Mechanical Dial Adding Machines

6 Calculating Machines

"Curta Type II" (Grey), 1948

Burkhardt Arithmometer Model H, c. 1909

Thomas de Colmar Adding Machine, 1849

Chinese Semi-Circular Abacus, c. 1936

Chinese Suan Pan Duplex Abacus, c. 1940

Russian Stchoty Abacus, c. 1900

Abacus for Teaching Purposes, c. 1900

Early Combination of Abacus and Chalk Board, c. 1890

Chinese Circular Abacus "Suan Pan", c. 1936

6 Toothed Wheel Adders

4 Electric Calculating Machines

Edwin Thacher's Cylindrical Slide Rule Calculator Model 4012, c.

3 American Adding Machines

"The Millionaire" Calculating Machine, 1912

Ellis Adding Typewriter, 1910 onwards

4 American Adding Machines

The Meilicke Calculator, 1906 onwards

Tate's Improved Arithmometer, c. 1905

Rema Calculator and Dactyle Demonstration Model, c. 1915

Saxonia Calculator, 1895

4 Electric Calculators with Nixie Tube Displays, 1965 onwards

4 Electric Calculating Machines with Printers, c. 1950-60

Remington Rand EDC-3A Desktop Calculator, 1969

Sharp Compet 21 Electronic Desktop Calculator, 1965

SCM Cogito 240-SR Electronic Desktop Calculator, 1965

Web Adder and Golden Gem

Alpina Calculator, 1961

15 American Cardboard Calculating Tools

Collection of Electronic Table and Pocket Calculators

2 American Adding Machines

Reuter's Calculating Machine, c. 1914

4 Mechanical Calculating Machines

4 American Calculating Machines

"Arithmomètre Payen", c. 1880

"Arithmomètre Payen", c. 1880

Sharp Compet 623B Desktop Calculator, c. 1975

2 GDR Calculating Machines

3 Electronic Desktop Calculators by Olivetti

Seidel & Naumann Addier Ideal, c. 1940

2 Vintage Electronic Calulators

2 x Soroban

The Rapid and Golden Gem

B.U.G. Calculator, The Lightning and Golden Gem

The Midget Adding Machine, c. 1911

4 Mechanical Calculating Machines

6 Adding Machines, c. 1950

Burroughs Adding Machine Company, Detroit, Michigan, c. 1925

4 Electric Calculating Machines, c. 1940-60

5 American Adding Machines, c. 1902

2 Small Counters

Arithstyle and Golden Gem Model 16

The Lightning Adding Machine, c. 1900

Original U.S.-Patent-Model Endless Slide Rule, 1935

Burroughs Adding Machine, c. 1905

2 Mechanical Calculating Machines

The Improved Golden Gem Adding Machine, c. 1910

"Saxonia" (Rolltop), 1910

2 Calculator Demonstration Models, c. 1950

Argos II and Golden Gem Chain Adders

Key Adding & Subtracting Machine, 1925

2 American Disc Adders

Adding Machine The Acme, c. 1902

XxX ('X multiplied by X') Keyboard Calculating Machine with Prin

Comptograph, c. 1898

"Quixsum Fractional Adding Machine Mod. C" Disc Adder, 1924

18 Calculating Tools

The Adder, 1868

Calculimetre Calculating Disc, c. 1875

2 American Disc Adders

Early American Monetary Transaction Table, 1845 (!)

The "Small" Pocket Calculator, c. 1900

4 American Disc Adders

18 Calculating Tools

9 Calculating Discs

2 American Adding Machines

2 American Adding Machines

Curta Type II Calculator (Black), 1955

Original Patent Model by F.S. Baldwin, 1873

Patent Model by E.L. Bill, 1878

The Calculus Calculator, 1907

Comptometer Model No. 1, 1887

Group of Slide Rules

Adders, Slide Rules and Calculating Aids

3 American Disc Adders

3 American Disc Adders

4 British Calculating and Measuring Instruments

3 Calculating Devices

3 Adding Machines

"Peerless Baby" Calculating Machine, 1910

"Monopol" Calculating Machine, 1902 onwards

"Commonwealth" Adding Machine, 1915

Morse Pre-Vis Adding Machine, 1915 onwards

"Millionär" Calculating Machine, 1914

6 American Counters, c. 1900-20

2 German Stepped-Drum Calculators

"The Spalding Adding Machine", 1884

Replica of the First Mechanical Calculating Machine, by Wilhelm

Adix Mod. 2, 1903

"Certa" Adding Machine

F.S. Baldwin's Arithmometer, 1874

Tate's Patent Arithmometer, c. 1910

"The Centigraph" Adding Machine, 1891

Triumph Adding Machine, 1910

Woody" and Model A Comptometers

Curta Type I Calculator, 1950