Copper busbars and ebonite insulators, 1900-1950
1900-1950
Insulators used for Morse's telegraph, 1835
1835
Wooden pillar insulators, 1900-1950
1900-1950
Glass insulator 15" in diameter in metal mount
1968
two 15" ebonite insulators, 1900-1950
1900-1950
White porcelain insulator for aerial lines
1820-1877
Four white porcelain insulators for aerial lines, 1820-1877
1820-1877
Insulator for pole mounted telegraph wires
Set of three metal-hooded link insulators
White porcelain insulator for aerial lines
1820-1877
Globe Strain Insulator
Third rail insulator, Lancashire & Yorkshire Railway
1916
Galavanised Mild Steel Single Clevis Giant Strain Insulator
Post Office insulator No. 16
Galvanised Mild Steel Single Clevis Globe Strain Insulator
Loop Insulator from Overhead Electrical Equipment from Great Indian Peninsular Railway
White porcelain insulator for aerial lines
1820-1877
Shackle Type Porcelain Insulator Open Class
Porcelain Insulated Section of Insulator for Grooved Wire
White porcelain single shed insulator with galvanized iron hood
Chain Type Span Wire Insulator
Maseart insulator, one of two. As used by Kew Observatory, Kew, Surrey, England.
White porcelain insulator for aerial lines
1820-1877
Glass Insulator
Spanwire Insulator
Globe Type Strain Insulator
3" Porcelain Loop Insulator
4 3/8" Porcelain Loop Insulator
Maseart insulator, one of two. As used by Kew Observatory, Kew, Surrey, England.
Insulator, porcelain cut-in insulator
1960
Bell type insulator
109 ceramic insulators and iron pole-top fitting for telephone H poles, c. 1898
1895-1900
Glass insulator in metal mount
1968
Strain insulator
"Armourlight" Pin Insulator type 1053
Pandrol insulator
Insulator
Insulator, BR, 4mm blue plastic insulator GRN
Distribution insulator
Two 33 KV station post insulators
275 KV upright insulator
One pair of L,t, porcelain insulators
Insulator, Lancashire & Yorkshire Railway Electrification.
insulator
Pandrol insulator
Insulation rods for Million Volt Accelerator
1937