Electrometer part

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Threaded brass glass-filled tube. Only the metal base with glass within it exists.

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ID:	NAV0960.4
Type:	Electrometer part
Display location:	Not on display
Creator:	Unknown
Date made:	Unknown
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Diameter: 10 mm;Overall: 20 mm
Parts:	Portable Electrometer No.51 (Electrometer) Electrometer sliding magnifier (NAV0960.1) Electrometer spare disc (NAV0960.2) Electrometer spare disc (NAV0960.3) Electrometer part (NAV0960.4) Electrometer glass insulated rod (NAV0960.5) Electrometer rolled paper rod (NAV0960.6) Electrometer rolled paper rod (NAV0960.7) Electrometer rolled paper rod (NAV0960.8) Electrometer box (NAV0960.9)