Dick Rose's Listing of
Mechanical Calculators

Resources

Dick Rose has a number of mechanical calculators for sale. They are listed below. If you are interested in any, please contact him and either make offers or ask for price quotes on specific items. Dick also has a large list of slide rules for sale which he will be happy to email to you. Just let him know that you are interested. He will also email you an updated version of this calculator list if you ask.

Dick Rose
2605 Ridgefield Rd.
Kalamazoo, MI 49024

616-323-3070

Updated as of June 2001.

CALCULATORS -- MECHANICAL

1013. Abacus --- 5 x 2 inches. 11 columns of beads. 4-1 arrangement. Black plastic frame. White beads. Very good condition. 2446-97

1014. Addiator (Duplex, Large) --- Unusual, large, two-sided Addiator. Addition and multiplication on one side, subtraction and division on the other. Large: 4 1/4 inches X 6 1/4 inches. Nine pull-down columns on each side. One side gold and black, the other silver and black. Large clearing bar. A little surface wear, but still very nice. 2426-97

1015. Addipresto Adding Machine --- New in box, gray, 5 1/2 X 5 1/2 X 3 inch, plastic and metal adding machine with 7 pull-down wheels. Complete with clearing lever and stylus. Made in Italy. In original cardboard box. 2469-S

1016. AddoMeter --- Almost new, AddoMeter in original, heavy-duty, snap-close case and instructions. By the Reliable Typewriter & Adding Machine Corporation, Chicago, Ill. Metal (brass?) unit. 2 1/2 inches X 11 inches. Flat. Eight dial-type wheels (0-9). Built-in stylus and clearing lever. Eleven inch rule on the top, beveled edge. Almost-new condition. The case is wood, covered in black fabric, with a green felt pad inside. It has snap closures and is marked: AddoMeter Adding Machine is in very good condition. Instructions included. A very nice set. 2448-98

1017. AddoMeter --- AddoMeter with original box, by the Reliable Typewriter & Adding Machine Corporation, Chicago, Ill. Metal (brass?) unit. 2 inches X 11 1/2 inches. Flat. Eight dial-type wheels (0-9). Built-in stylus and clearing lever. Eleven inch rule on the top, beveled edge. Very nice condition, just a few very light scratches. The original box has lots of copy and is sort of art-deco-looking -- the end flaps are missing, but it's still very interesting. The calculator works well and looks good. 2449-98

1018. AddoMeter --- AddoMeter (with inches and fractions) by the Reliable Typewriter & Adding Machine Corporation, Chicago, Ill. Metal (brass?) unit. 2 1/2 inches X 11 inches. Flat. Eight dial-type wheels (0-9). Built-in stylus and clearing lever. Eleven inch rule on the top, beveled edge. A little surface distress, but otherwise very good. 2452-98

1019. AddoMeter --- Essentially new in box, with stylus and instructions. An 8-dial adding and subtracting device. Metal. Made by Lyons Associates, Chicago, Illinois. Brown metal exterior with white and red dials. Instruction sheet. Stylus. Box shows a little shelf wear. The calculator itself is beautiful. 2448-98

1020. American Adding Machine --- American Adding Machine by American Can Company, Adding Machine Division, Chicago, Illinois. A neat, pull-down-lever, hand-crank type adding machine. Black metal with filigree-type design all over. 7 inches X 9 1/2 inches X 8 inches. Seven pull-down levers. Two cranks. Seven circular answer windows above the levers. Very good condition. Heavy for its size. 2511-S

1021. Arithma Addiator --- Arithma Addiator, case, no stylus. 1 1/2 inches X 6 1/4 inches. Thin. Metal. Silver and black. Six pull-down columns for addition and six for subtraction. Pull-up lever on top for clearing. Good condition, just some surface wear. Black leather slip case, worn. 2442-97

1022. Baby Calculator --- Baby Calculator with instructions. Chicago. 3 inches X 6 inches. Metal. Black and gold. Seven pull-down columns. Clearance lever at the top. Marked: Addition, Subtraction, multiplication, Division. Unit in very good condition with a few small scratches. Instructions show wear and tear. 2434-97

1023. Bohn Contex --- a 10-key, desk-top, mechanical calculator. 8x10x4 inches. Gray plastic case. Instructions on the bottom. Made in Denmark. Good condition. 2470-S

1024. Burroughs Calculator (Comptometer-Type) --- 9 inches X 11 inches X 4 inches. Black frame. Nine columns of 9 keys per column. Good condition. 2825-S

1025. Chadwick --- Adder with 7 finger pull-down wheels. Blue-green plastic. With red clearing lever. 4 1/4 inches X 3 1/2 inches X 4 inches. Made in Japan. Nicely made. 2476-S

1026. Comptometer --- Comptometer by Felt & Tarrant Mfg. Co., Chicago. 9 inches by 14 1/2 inches. Copper-colored metal case. Ten rows of nine keys per row. In good condition. Two key covers missing. Last patent date, November 2, 1920. 2513-S

1027. Comptometer --- Unusual Comptometer by Felt & Tarrant Mfg. Co., Chicago. 8 inches by 15 inches. Copper-colored metal case. Eight rows of nine keys per row. In good condition. Patent numbers, no dates. Unusual lever near the right-side crank, loops around to pull down lower left key 1. 2512-S

1028. Comptometer --- Comptometer by Felt & Tarrant Mfg. Co., Chicago. 9 inches by 14 1/2 inches. Copper-colored metal case. Ten rows of nine keys per row. In good condition. Last patent date, November 2, 1920. 2514-S

1029. Comptometer Card --- 4 inch X 9 inch card, Decimal Equivalents of Common Fractions to be Used in Connection with the Comptometer. By Felt & Tarrant Mfg. Co. Some pencil marks and a middle fold, otherwise in good condition. 2447-97

1030. Computer Pens --- Push-button, ball point pens with multiplication tables that rotate by push button. Italy. 242

1031. Computer Pens --- Push-button, ball point pens with multiplication tables that rotate by push button. Unlabeled. 242

1032. Curta Type 1 --- A beautiful Curta Type 1 in case. Serial# 71295. In hard plastic case. With excellent manual copy. 2911-S

1033. Desk Add-A-Matic --- Almost new, Desk Add-A-Matic adding machine, in box. By CMI, Inc., Chadwick, Japan. 5 inches X 5 inches X 3 1/2 inches. Black and gray metal with 7 red, pull-down dials. Clearing button. Stylus built-in. Original red and black box show some wear and tear, but the calculator is almost new. 2478-S

1034. Dial-A-Matic Adding Machine --- Dial-A-Matic Adding Machine, with box and stylus. By Sterling. 2 1/2 inches X 8 inches. Four dial-type wheels. Ivory plastic. The unit is in excellent condition. The box is complete, but coming apart a little. 2418-97

1035. Dial-A-Matic Adding Machine/Pencil Box --- Dial-A-Matic Adding Machine - Pencil Box, with stylus and instructions. By Sterling. 2 1/2 inches X 8 inches X 3/4 inch. Four dial-type wheels. Yellow with clear back. plastic. The unit, except for a crack on the back, is in very good condition, as are the stylus and instructions. 2422-97

1036. Ken+Add Pocket Calculator --- Four wheels turned by a stylus. All metal. Aluminum clamshell case, 5 x 2 inches. Stylus included. Made by Ken+Add Machines Co., Duluth, Minnesota. Good condition – a little wear and some rust on the wheels. Essentially new in box. 2923-C6

1037. Kess-Add --- Almost new, four-dial, pocket adder with case, stylus, instructions, and box. 5 inches X 1 1/2 inches X 1/2 inch. White plastic with a similar stylus. Box and instructions. Everything almost new. 2433-97

1038. Kingston Pocket Calculator/Slide Rule --- New, 6 column, addition and subtraction sections, Addiator-type calculator with stylus, instructions, and case. Slide rule on the back. Scales: A [B, CI, C] D. Silver metal. Blue plastic case. [[See the same listing in the slide rule section.]]

1039. Lightning Adding Machine --- The Lightning Adding Machine, with bakelite stand. The Lightning Adding Machine Co., Los Angeles, Calif. Green metal unit. 2 1/2 inches X 12 inches. Flat. Seven dial-type wheels (0-9). Brown bakelite, slanted stand. The unit and stand are in excellent condition. 2461-243

1040. Lightning Portable Adding Machine --- The Lightning Portable Adding Machine, with bakelite stand. The Lightning Adding Machine Sales Co., Los Angeles 7, Calif. Gray metal unit. 2 1/2 inches X 12 inches. Flat. Seven dial-type wheels (0-9). Clearing lever. Brown bakelite, slanted stand. Excellent condition. 2455-243

1041. Lightning Calculator --- The Lightning Calculator, with wooden stand, and box. The Lightning Calculator Co., Grand Rapids, Michigan. Black metal unit. 2 1/2 inches X 12 inches. Flat. Seven dial-type wheels (0-9). Brown wooden, slanted stand. The unit has some scratches on it, but it works fine. The wooden stand is in very good condition. The black triangular-shaped box shows considerable wear. 2454-243

1042. Little Giant Adding Machine --- 5 pull-down wheels. Wooden outer body. Metal works. Made by Kel-San Mfg. Co., Dayton, Ohio. 5 inches X 6 inches X 5 1/2 inches. Fair condition, but works. 2472-S

1043. Magic Multiplying Pencil --- 5 1/2 inch long mechanical pencil/calculator. Main body is red-painted wood. Clear cylindrical tube turns to multiply up to 12 X 12. Apex Products Corp., N.Y.C. Has a 40's look. 2502-242 Also one 6 inches. 2503-242

1044. Multiplier Pencil Box --- 8 inch long pencil box with slide multiplier. Green and white plastic. 2420-97

1045. Multiplier Pencil Box --- New, 8 inch long pencil box with slide multiplier. Blue and white plastic. New on original hanging card. 2419-97

1046. Panasonic HHC (Hand Held Computer) --- 14 x 4 x 2 inch electronic keyboard computer with printer/cassette adapter, in case. 2480-S

1047. Plus Calculator --- From Plus Computing Machines Inc., New York, N.Y., Designed by Bell Punch Company Limited, London, England. Model No. 506/C/44.405/Q. Six columns, five rows of buttons. Numbers from 1-5. Clearing lever. Seven-place answer window. 7 x 7 x 4 inches, plus a slanting stand. Green metal case. A sort of mini Comptometer. Good condition. 2471-S

1048. Precise Calculator --- Precise Developments Co., Inc., Chicago. Heavy metal, gray body. 7 pull-down columns. 7-window answer section, behind a magnifying lens. Built-in stylus. Large metal clearing lever. 4 inches X 7 inches X 5 inches. Very good condition. A very solid instrument. 2475-S

1049. Produx Original --- Produx Original calculator. 2 1/4 inches X 6 inches. Seven pull-down columns on the top for subtraction and seven on the bottom for addition. Made in Germany - West. Metal. Green and gold. Clearing bar on top. Green and clear plastic slip case with metal stylus. Everything in very good condition. 2437-97

1050. Ropp's Commercial Calculator --- Copyright 1887. Ropp's Commercial Calculator. 4 inch X 6 1/2 inch, red folder cover with black printing. 128 pages plus blank notebook pages and a small accordion folder in the back. Good condition. 2655-B9

1051. Ropp's New Calculator --- Copyright 1906. Ropp's New Calculator. 3 inch X 6 1/2 inch, red cloth cover with black printing. 160 pages. Very good condition, just some wear on the outside spine. 2657-B9

1052. Ropp's Commercial Calculator --- Copyright 1919. Ropp's Commercial Calculator. 4 inch X 6 1/2 inch, tan cardboard cover with black printing. 192 pages. Very good condition, just some light soiling. 2658-B9

1053. Slinky Calorie Counter --- a 6 inch long, plastic, figure-eight-shaped device for cumulating calories. A phone-like dial is turned to add calorie counts (or any other counts) which show on an adjacent dial, going up to 2000. 2445-97

1054. Speedee Add-A-Matic --- Chadwick, Speedee Add-A-Matic. 11 inches X 9 inches X 4 inches. Manual calculator. 8 rows of keys, keys numbered 1-5. 9 answer windows. Dollars and cents. Gray plastic body with ivory and maroon keys and maroon clearing button. Made in Japan -- a very Japanese approach to calculation. Excellent condition. Fully functional. 2473-S

1055. Sterling Multiplier Pencil Box --- 8 inch yellow and white plastic pencil box with sliding multiplier and inch and cm scales. Includes a pencil sharpener. 2421-97

1056. Summit --- Summit calculator. 5 inches X 7 inches X 5 inches. Green metal body. 8 finger-pull-down wheels. Crank for clearing. Made by the Pearl Engraving Corp., New York 3, New York. Very good condition -- just a touch of surface rust on the screws and a little surface wear. A very solid unit. 2474-S

1057. Swift Handy Calculator --- Swift Handy Calculator, with box, cover, instructions, and stylus. 5 1/2 inches X 5 inches X 3 inches. Aqua-colored plastic body with seven pull-down lever-dials. Plastic stylus and clear plastic cover. Instructions. Made in Hong Kong. Outside box has a small tear and some slight dirt and wear. Instructions and calculator are in very good condition, just a slight amount of usage wear. 2477-S

1058. Sylvania Photo Calculator Mechanical Pencil --- Black, white, and gold mechanical pencil with two rotating barrels for five photo settings: Flash Lamp, Shutter, Film Type, Aperture, and Feet. 2504-242

1059. Tasco Pocket Arithmometer --- Very nice, Tasco Pocket Arithmometer, complete with stylus, case, and instructions. Calculator in excellent condition, 3 inches X 5 1/4 inches. Bright chrome-finish metal. Eight pull-down columns. Clearing lever at the top. Cover slides up and down for addition and subtraction. Heavy duty. Instructions and case in very good condition. Case worn. The calculator itself is in very good condition. 2431-97

1060. Texas Instruments ET Calculator --- Small, red, electronic calculator. 2444-97

1061. Tip Calculators (2) --- A pair of 7-pull-down-column calculators. Pocket sized. Each with stylus and instructions. Gold colored, in fold-over wallet. Packed in the original shipping box from H. Martin, Chicago. Very early stamps. Unusual. 2443-97

1062. Universal Multiplier Pen --- New, 7 inch long ballpoint pen, with a rotating barrel that multiplies up to 12 X 20. Black and green (or red, or blue, or light green, or yellow). Made in Italy. 242

1063. Ve-Po-Ad --- Ve-Po-Ad calculator with case and instructions. Eight pull-down columns. Clearance lever at the top. Black and gold metal. In black folding case. Instructions. Rust on the calculator and some wear on the case. Overall, just fair. 2439-97

1064. Webb Adder --- A Webb-type adder (not marked). Good condition, with some plating wear. 2962-C5

1065. Wizard Calculating Machine --- 3 inches X 5 1/2 inches. Eight pull-down columns. Silver metal front. Black plastic back. Clearing bar on the top. No stylus and one part of the stylus clip is broken; otherwise, OK condition. 2436-97


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Revised: July 26, 2004.