Fork-end turn screw bit: 1 of 3
1945-1975
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
1972
Drillbit, square at one end from Osborn-Mushet Tools Ltd.
1972
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
1972
Drill bit
Drillbit, double ended from Osborn-Mushet Tools Ltd.
1972
Gas exploration drill bit.
circa 1985
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
1972
HSS Drill-Bit, with round end
1972
HSS Drill-Bit
1972
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
1972
Gas exploration drill bit.
circa 1985
Fork-end turn screw bit: 1 of 3
1945-1975
Countersunk bit: 1 of 3, for a brace with alligator jaws chuck
1945-1975
Gimlet bit: 1 of 3
1945-1975
Centre bit: 1 of 4
1945-1975
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
1972
drill bit
Drillbit, square at one end from Osborn-Mushet Tools Ltd.
1972
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
1972
Centre bit: 1 of 4
1945-1975
Rock bit
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
1972
Drillbit, treaded at one end from Osborn-Mushet Tools Ltd.
1972
Drillbit, square at one end from Osborn-Mushet Tools Ltd.
1972
Drill bit, used during AEI apprenticeship
1960-1969
Drillbit, square at one end from Osborn-Mushet Tools Ltd.
1972
drill bit from Siskol coal heading machine c.1930s
Countersunk bit: 1 of 3, for a brace with alligator jaws chuck
1945-1975
Gimlet bit: 1 of 3
1945-1975
Centre bit: 1 of 4
1945-1975
Centre bit: 1 of 4
1945-1975
Fork-end turn screw bit: 1 of 3
1945-1975
Auger bit. C.1960
Auger bit
Drillbit, square at one end from Osborn-Mushet Tools Ltd.
1972
Bit for compressed air drill
Drill Bit with Gear
Drill bit from London, Brighton & South Coast Railway
Drill bit from London, Brighton & South Coast Railway
Drill bit from London, Brighton & South Coast Railway
Drill bit from London, Brighton & South Coast Railway
Drill bit from London, Brighton & South Coast Railway
Drill bit from London, Brighton & South Coast Railway
Drill bit from London, Brighton & South Coast Railway
Drill bit for London, Brighton & South Coast Railway
Drill bit from London, Brighton & South Coast Railway
Drill bit for London, Brighton & South Coast Railway
