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'Marconi' Ammeter with separate Copper? Coil, by Marconi Company, English, 20th Century

preview image for 'Marconi' Ammeter with separate Copper? Coil, by Marconi Company, English, 20th Century
Inventory Number: 62660
Object Type:
Place Created: United Kingdom (England) Europe
Accession Number: 2004-9/495
Brief Description: 'Marconi' Ammeter, in black-painted steel? cylinder with glazed top surface edged with nickel-plating and revealing interior. Circular interior printed surface has half-moon ampere scale with needle (scale 0-15). With two painted brass bolts and nuts. With seperate copper? coil.

Previously catalogued with Onwood's Patent Ohmmeter (Inv. Num. 95036), Three-Position Switch (Inv. Num. 40839), Carborundum Detector (Inv. Num. 90595), Small Coupled Two-Way Switch (Inv. Num. 61022).
Primary Inscriptions: "No162192 / AMPERES / B.S.1ST GRADE / 'MARCONI'" printed on upper surface of interior ampere scale.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
steel?
brass
copper?
nickel.
Dimensions:
Height Width Depth Diameter Unit
190 mm

There are no associated narratives.

Image with multimedia irn 39586

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