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