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SLIDE RULES & CALCULATORS

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A fine example of a Fowler's Jubilee Magnum extra long scale calculator. This was the largest circular calculator made by Fowler's and measures 12cm in diameter, and it has a 79" long scale extending over ten circles.
In full working order, with a black hammer finish steel backplate and a bright nickel outer body, the condition is excellent with a nice clean dial and glass.
Although it has a case, it's not in the best condition, the zip is partially detached at one end , but it does still protect the calculator. Supplied with a photocopy page from an original Fowlers brochure advertising the Jubilee calculator.

Price	Status	Code	Ship UK	Overseas
£130		SC793	Free	£10

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A vintage mechanical calculator made by Atvidaberg - Facit in Sweden. The model is the C1-13, this particular design was produced between 1960 - 1964 and the serial number 799433 allows us to date it to 1961. It has a 10 digit keyboard with 8 digit counter and 13 digit accumulator.
Cosmetically there are signs of wear and tear, with some paint loss, and a small crack in the results window (see photo 4, the crack is just before the number 3). However, it is in full working order, although the tips of the plastic indicators are missing, but the slides still work and do not affect the operation of the calculator.
This is a heavy item at around 6kgs, and measures overall width 11.5" x 7.5"depth x 6" high.

Please email me to buy, as this is not available for automatic purchase through the shopping cart.

Price	Status	Code	Ship UK	Overseas
£55	For Sale - email to buy	SC686	Free	email for costs

Fowler's Universal calculator with original instruction book

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Fowlers Universal circular calculator, with original instruction book, this is one of the rarer models with a chrome backplate. In full working order, the six scales perform numerous mathematical functions including multiplication, cube roots and and square roots. Measures 9cm diameter, all in very good condition (nice clean dial) with its original handsome leather case. Dates to around the 1950's, and comes with a photocopied page from a Fowlers advertising brochure.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC650

Fowlers Twelve ten calculator in presentation case

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In excellent condition, a fully working Fowler's Twelve Ten calculator in a superb presentation box with 'The Fowler Calculator' printed in gold lettering on the lid. Known as the 12-10 because it includes scales to convert twelfths to tens, yards to metres, lbs to Kgs, inches to centimetres etc. Introduced in 1936, this particular calculator was primarily designed for Architects, Surveyors, Builders and Craftsmen, and is one of the more hard to find models, particularly in such good condition with its own special Fowlers presentation case (size 4" x 5").
Comes with a photocopied page from a Fowlers advertising brochure.

Please note the slight red hue on the black case outer is only from the flash photography, and is NOT a blemish on the case which is in excellent cosmetic condition.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC662

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A fine example of a Fowler's double sided Long Scale calculator, complete with its own velvet lined nickel plated case. Known also as a 'Vest pocket' model, these double sided calculators were recommended as the most comprehensive and accurate pocket calculator ever made. Measures 2 1/2" diameter and in good working order. Comes with a photocopied set of instructions plus a copy page from an original Fowlers brochure advertising the Vest pocket calculator.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC638

Nice condition Muldivo Pinwheel calculator incorporating 12 digit setting register, 18 digit results register, and 10 digit revolution register, serial no DER 160648. Similar to the Mentor in that it's fitted with a back transfer mechanism, This transfers the number in the result register, centre right, to the setting register, centre, which can be very useful in chain calculations.
Probably made by Thales in Germany this calulator is in full working order with original plastic dust cover, and dating from the late 1950's. Overall dimensions, 11" x 6", weight around 6kgs, overseas buyers please email for shipping costs.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC548

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Nice condition Muldivo Mentor pinwheel calculator incorporating 10 digit setting register, 16 digit results register, and 8 digit revolution register, also has a back transfer mechanism.
Model WSR 160, serial no 224407, made in Germany by Walther this is a quality calculator, the pinwheel mechanism being machined from brass. In full working order with instructions, and dating from the 1960's. Overall dimensions, 11" x 6", weight around 6kgs, overseas buyers please email for shipping costs.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC558

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Fowlers Magnum Textile circular calculator, measures 12cm diameter, in very good condition and in leather case which is also in fine order. Also comes with its original 42 page instruction book which although a little dog-eared is complete and perfectly useable. dating to around 1950, its becoming increasingly more difficult to find these items in such good and complete condition.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC276

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Original Odhner pinwheel mechanical calculator. Grey metal case, made in Sweden, serial no 1049 - 52417. In good condition with only minor paint loss. Dating to around 1960, these are rapidly becoming must have desktop accessories, as well as collectables. In full working order this is a heavy item weighing over 6kgs! Overseas buyers please email for cost of shipping.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC264

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Fowlers Long Scale 'Magnum' circular calculator, serial no 801. Measures 12cm diameter, in very good condition with its own plush velvet lined leather case also in good condition and engraved 'Fowlers calculator'. Dates to around the 1940's.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC107

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This is a vintage mechanical calculator made by Atvidaberg - Facit in Sweden. The model is the NTK which was produced between 1954 - 1957, and the serial number 473672 allows us to date this particular one to 1955. It has a 10 digit keyboard with 8 digit counter and 13 digit accumulator. In very good condition and fully working, this is a heavy item at around 6kgs, and measures overall width 11.5" x 7.5"depth x 6" high. Overseas buyers please email me for shipping costs.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC294

Brunsviga pinwheel mechanical calculator

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Brunsviga rotary pinwheel calculator, made by Olympia Werke AG Wilhelmshaven. In full working order with only minor paint loss. Has 10 digit setting register, 13 digit accumulator register, and 8 digit revolution register. 12" x 5" overall dimensions and weighs around 8 kilos
Manufactured between 1950 -1970.
Overseas buyers please email for Shipping costs.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC260

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Fowlers Universal circular calculator, with original instruction book. Measures 9cm diameter, in very good condition (nice clean dial) with its leather case, also in good condition and engraved 'Fowlers Universal Calculator, Sale'. Dates to around the 1950's.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC546

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This is a MULTO Pinwheel mechanical calculator manufactured in Sweden around the 1950s, and retailed by ADDO Ltd. London. In excellent working order, a real collectors piece. It weighs about 8 kilos. The length is about 12 inches the height about 6 inches . Overseas buyers please email for Shipping costs.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC254

Fowler's Jubilee magnum circular calculator with leather case

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A fine example of a Fowler's Jubilee Magnum extra long scale calculator, complete with its own leather case. This was the largest circular calculator made by Fowler's and measures 12cm in diameter, and it has a 79" long scale extending over ten circles.
This is the rarer chrome backplate model and is in full working order, and the condition is superb, with both calculator & case in good sound condition. Supplied with a photocopy page from an original Fowlers brochure advertising the Jubilee calculator.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC747

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Original Odhner pinwheel mechanical calculator. Grey metal case, model no 229 serial no 4991.In super condition, still has its original plastic dust cover. Dates to around 1960, a real collectors piece in full working order. Heavy item weighs over 6kgs! Overseas buyers please email for cost of shipping.

Price	Status	Code	Ship UK	Overseas
	SOLD	SC108

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