alasdair massie:
Flywheel
alasdair massie:
Concord
alasdair massie:
Steamrollers
alasdair massie:
Carved brick sill
alasdair massie:
Moulding
alasdair massie:
Chimney
alasdair massie:
Personal bomb shelter
alasdair massie:
Ash door
alasdair massie:
Crank
alasdair massie:
Chimney
alasdair massie:
Heady Mill Engine
alasdair massie:
Chimney
alasdair massie:
Cambridge Museum of Technology
alasdair massie:
Blackstone sewage sludge pump, installed at Milton Sewage Farm in 1926
alasdair massie:
Blackstone sewage sludge engine, installed at Milton Sewage Farm in 1926
alasdair massie:
Window
alasdair massie:
Harding's Improved Counter
alasdair massie:
Guages
alasdair massie:
Sludge level indicator
alasdair massie:
Chimney
alasdair massie:
Cambridge Museum of Technology
alasdair massie:
Boiler tubes
alasdair massie:
Ash tunnel
alasdair massie:
Ash tunnel
alasdair massie:
Ash doors
alasdair massie:
Chimney
alasdair massie:
Chimney
alasdair massie:
Telephone box
alasdair massie:
Cranee
alasdair massie:
Gear wheel
