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Early Coherer No 217, c. 1899

Inventory Number: 55585

55585-1t 55585-2t 17473-19433-34674-50538-53061-55585-57633-62930-72143-72278-80963-82611-87538-88920-98899-1t

Date: c. 1899

Maker Details: Unknown

Inscription: "17.6.99 Gap Enlarged / nic & sil & other / M100 & V R 6000 / 592h 20.6.99 TB / VGI" handwritten on attached folded paper label.

Size: 120 mm in overall length (excluding end wires)

Materials: Glass, copper, nickel, silver, assorted metals.

Other Given Number(s): Christie's 13.


Early Coherer No 217, relatively fragile, dated 1899. In small, narrow cylindrical glass tube with copper connection wires exiting from each end. With nickel-plated? components. Structure appears to be two glass rods tied together side by side, with upper glass rod having protruding vertical glass tip. Label would indicate that filings are made of nickel and silver.

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