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December 21 2020

1st Edition – British patent n° 20981 – Improvements relating to the Production, Regulation, and Utilization of Electric Currents of High Frequency, and to Apparatus therefor


Price: Free

€437,00

Category: Rare books and manuscripts
  • Description

Description

British patent n° 20981 – Improvements relating to the Production, Regulation, and Utilization of Electric Currents of High Frequency, and to Apparatus therefor

Published September 22, 1896
Printed in London

1s Edition. Original Printed patent disbound. About 27cm by 18cm some wear and tear due to the disbinding. Item #31144

Price: £400 (i.e. €437 about)

Shipping: Shipping costs are in addition and depend on your country.

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1st Edition – British patent n° 2812 – Improvements in Methods of and Apparatus for the Generation of Electric Currents of Defined Period
1st Edition – British patent n° 14550 – Improvements relating to the Insulation of Electric Conductors

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Number of period documents online:
   - In English: 2
   - In French: 2
TOTAL: 4

Complete collection (offline): +than 15,800

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