Slide rule - Logarithmic Calculator
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€ 3
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Selected by Francisco Álvarez
Acquired extensive antiques knowledge through renovation works and running own antiques shop.
Estimate € 110 - € 160
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Russian-made circular logarithmic slide rule from 1968 in excellent condition, a double‑sided mechanical calculator by МЛВКИ, 50 mm diameter, 39.4 g, complete with box and instructions.
AI-assisted summary
Description from the seller
USSR / Soviet - 1968 - Double-sided circular Slide rule – Mechanical Logarithmic Calculator used in pre-electronic era (in excellent condition / as new)
*** NO RESERVE PRICE ***
- marked: “МЛВКИ” ( Moscow Laboratory of Calculating & Control Instruments )
• Complete set with original box and instruction leaflet.
- diameter: 50 mm
- weight: 39.4 grams
• It was designed for precise technical calculations and widely used in:
- multiplication and division
- ratio and proportional calculations
- engineering and scientific work
- military, navigation, artillery, and industrial applications
* This circular logarithmic slide rule is often mistaken for a pocket watch due to its design *
- case and leaflet in good condition with some signs of wear ( see photos for better impression as they are part of description )
- Shipping by Post: registered with tracking, will be sent in a cardboard box or an anti-shock bubble envelope.
( Livrare prin curier in Romania )
* If the automatic tracking system doesn't show info about your order, please see updates for your Tracking Number on your own country postal service
* For EU buyers: please allow ca. 10 to 15 working days transit* time for the package to arrive, after is released by customs
* For US and non-EU buyers: please allow ca. 15 to 25 working days transit* time for the package to arrive, after is released by customs
* Transit time estimates: Sometimes the package arrives sooner than estimated and other times may be delays, please have patience.
• If there is a problem, feel free to contact me before leaving feedback.
USSR / Soviet - 1968 - Double-sided circular Slide rule – Mechanical Logarithmic Calculator used in pre-electronic era (in excellent condition / as new)
*** NO RESERVE PRICE ***
- marked: “МЛВКИ” ( Moscow Laboratory of Calculating & Control Instruments )
• Complete set with original box and instruction leaflet.
- diameter: 50 mm
- weight: 39.4 grams
• It was designed for precise technical calculations and widely used in:
- multiplication and division
- ratio and proportional calculations
- engineering and scientific work
- military, navigation, artillery, and industrial applications
* This circular logarithmic slide rule is often mistaken for a pocket watch due to its design *
- case and leaflet in good condition with some signs of wear ( see photos for better impression as they are part of description )
- Shipping by Post: registered with tracking, will be sent in a cardboard box or an anti-shock bubble envelope.
( Livrare prin curier in Romania )
* If the automatic tracking system doesn't show info about your order, please see updates for your Tracking Number on your own country postal service
* For EU buyers: please allow ca. 10 to 15 working days transit* time for the package to arrive, after is released by customs
* For US and non-EU buyers: please allow ca. 15 to 25 working days transit* time for the package to arrive, after is released by customs
* Transit time estimates: Sometimes the package arrives sooner than estimated and other times may be delays, please have patience.
• If there is a problem, feel free to contact me before leaving feedback.
Details
Era
1900-2000
Country of Origin
Russia
Material
Metal, Plastic
Condition
Excellent condition: barely used with minimal signs of wear
Height
5 cm
Width
0 cm
Depth
0 cm
Estimated period
1968
Title additional information
Logarithmic Calculator
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