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The finest objects brought to you by {name}

Francisco Álvarez

Circular logarithmic ruler "KL - 1" is designed to perform mathematical operations of multiplication, division, squaring, obtaining the square root, finding the trigonometric functions of sine, cosine, tangent, as well as inverse trigonometric functions, finding the area of ​​a circle.

Manufacturer: Moscow Scientific and Industrial Plant of Control Instruments "Kontrolpribor".

There is part of the box and instructions in Russian.

Good condition - used with small signs of aging & blemishes - Metal, Plastic

Kontrolpribor - Calculator - 1960-1970 - Circular logarithmic ruler KL-1 USSR

Vintage & Industrial Furniture

Reserve price

No reserve price

Buy now

Closing date

21 December

Tuesday

today

Wednesday

Thursday

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tomorrow

22 December

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Dimensions

Height

Width

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Olivetti

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Object

Sign

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Hanging lamp

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Side table

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Airline trolley

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Plaque

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Airline and airport memorabilia

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Country of origin

Netherlands

United States

Europe

Russia

Unknown

Sweden

North America

China

Australia

Canada

India

Material

Metal

Wood

Plastic

Enamel

Steel

Glass

Aluminium

Brass

Iron

Bakelite

Resin

Leather

Ceramic

Teak

Paper

Beech

Copper

Textile

Chrome

Chrome plated

Lead

Alloy

Delftware

Rubber

Gender

Unisex

Condition

Good condition - used with small signs of aging & blemishes

Excellent condition: barely used with minimal signs of wear

Good condition - used with small signs of ageing

Fair condition -  heavily used & with possibly minor parts missing

As new - unused

Excellent condition

Good condition

Good

Very good

Poor - heavily used with major cracks, damages or major parts missing

Near mint

Mint

A- (fine - tiny imperfections)

Excellent

Good - visible signs of wear

A (excellent - mint condition)

B+ (good - small imperfections)

Reasonable

Very good - minor signs of wear

Excellent condition - barely used with minimal signs of wear

Brand New

B- (fair - notable defects)

B (reasonable - obvious imperfections)

3: Good - visible signs of wear and age

Extras

Without original box

Power cord

Power supply

In original box

Remote control

Power Adapter

without manual without box

No extra's

tuning key

+ Extra item (see description)

Limited edition

unboxed

in undamaged open original Box

without manual

with original box

Period

1960-1970

1950-1960

1970-1980

Vintage & Industrial Furniture

This object is no longer available, but there’s still lots to explore

Kontrolpribor - Calculator - 1960-1970 - Circular logarithmic ruler KL-1 USSR

Popular in Vintage & Industrial Furniture

1453 objects

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Vintage & Industrial Furniture

This object is no longer available, but there’s still lots to explore

Kontrolpribor - Calculator - 1960-1970 - Circular logarithmic ruler KL-1 USSR

Popular in Vintage & Industrial Furniture

1453 objects

Related collections