British patent n° 16709 – Improvements relating to the Conversion of Alternating into Direct Electric Currents
Published October 22, 1889
Printed in London
1s Edition. Original Printed patent disbound. About 27cm by 18cm some wear and tear due to the disbinding. Item #31137
Price: £400 (i.e. €437 about)
Shipping: Shipping costs are in addition and depend on your country.