437,00

Description

British patent n° 2812 – Improvements in Methods of and Apparatus for the Generation of Electric Currents of Defined Period

Published February 8, 1894
Printed in London

1s Edition. Original Printed patent disbound. About 27cm by 18cm some wear and tear due to the disbinding. Item #31142

Price: £400 (i.e. €437 about)

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