Conductor
Cylindrical Conductor
Bone-conductor with head-band and separate components
Pear-shaped brass conductor on insulated stand
1900-1983
Cylindrical brass conductor on insulated stand
1900-1983
Spherical brass conductor on insulated stand
1900-1983
Aluminium conductor
Aluminium alloy stranded conductors
Two examples of Spratt's lightning conductors
1860
Prime conductor from plate electrostatic machine, Galvani collection
1780-1798
Three solid aluminium conductors ("Solidal") for insulated cables
Four cylindrical conductors with attached rod or wire
Solid aluminium conductors ("Solidal") for insulated cables
Armoured aluminium conductor
I/144, twin, aluminium conductor
Rectangular wood and tinfoil conductor on glass rod
Conductors and isolators
Aluminium stranded conductor from outside sub-station
Four 15" lengths of hard drawn copper stranded conductors
Brass conductor
B.I. Wire Company's flexible concentric with 0.54 sq.in. conductor
1898