


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

Two pieces of solid conductor

Two examples of Spratt's lightning conductors
1860

Aluminium conductor

Aluminium alloy stranded conductors

Prime conductor from plate electrostatic machine, Galvani collection
1780-1798
Three solid aluminium conductors ("Solidal") for insulated cables
Rectangular wood and tinfoil conductor on glass rod
Four cylindrical conductors with attached rod or wire
Solid aluminium conductors ("Solidal") for insulated cables
Armoured aluminium conductor
I/144, twin, aluminium conductor
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