


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
I/144, twin, aluminium conductor
Armoured aluminium conductor
Solid aluminium conductors ("Solidal") for insulated cables
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