4 test pieces of carbon
Hollow testpiece of injection moulded carbon fibre reinforced nylon
1978
One of sixteen shapes, tested for exposure to rain, hail, dust & sand.
1960-1970
Test Piece made by an Electrical Apprentice
Hemispherical shape, tested for exposure to rain, hail, dust & sand
1960-1970
One of sixteen shapes, tested for exposure to rain, hail, dust & sand.
1960-1970
One of sixteen shapes, tested for exposure to rain, hail, dust & sand.
1960-1970
Hemispherical shape, tested for exposure to rain, hail, dust & sand
1960-1970
Test panel used for checking procedures for production of glass fibre replica
One of sixteen shapes, tested for exposure to rain, hail, dust & sand.
1960-1970
One of sixteen shapes, tested for exposure to rain, hail, dust & sand.
1960-1970
One of sixteen shapes, tested for exposure to rain, hail, dust & sand.
1960-1970
One of sixteen shapes, tested for exposure to rain, hail, dust & sand.
1960-1970