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Record Details

Early Coherer, French, c. 1899

preview image for Early Coherer, French, c. 1899
Inventory Number: 57633
Object Type:
Place Created: France Europe
Accession Number: 2004-9/519
Brief Description: Early Coherer, relatively fragile, dated 1899. In small, narrow cylindrical glass tube with nickel-plated components, and copper connection wires exiting from each end. Structure appears to be two glass rods tied together side by side, with longer lower glass tube, and with protruding glass tip on upper glass tube. Label would indicate that filings are made of nickel and silver.
Primary Inscriptions: "14/7/99 / nic & sil / Busy 40 min / 115ft. / J66 R5000 / JRU / France" handwritten on attached folded paper label.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
assorted metals.
Height Width Depth Diameter Unit
110 55 mm


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