Convolute screwing taps
4 convolute screwing taps size 1 1/2" 6 t.p.i. for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/1
- type:
- screwing taps
8 convolute screwing taps by Johann Georg Bodmer
- Made:
- circa 1840
8 convolute screwing taps by Johann Georg Bodmer, c 1840.
Details
Parts
Convolute Screwing Tap
Convolute screwing tap, size 1 1/2" 6 t.p.i., for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/1/1
- type:
- screwing tap
- Image ©
- The Board of Trustees of the Science Museum
- Part of:
- 1857-7/1
Convolute Screwing Tap
Convolute screwing tap, size 1 1/2" 6 t.p.i., for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/1/2
- type:
- screwing tap
- Image ©
- The Board of Trustees of the Science Museum
- Part of:
- 1857-7/1
Convolute Screwing Tap
Convolute screwing tap, size 1 1/2" 6 t.p.i., for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/1/3
- type:
- screwing tap
- Image ©
- The Board of Trustees of the Science Museum
- Part of:
- 1857-7/1
Convolute Screwing Tap
Convolute screwing tap, size 1 1/2" 6 t.p.i., for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/1/4
- type:
- screwing tap
- Image ©
- The Board of Trustees of the Science Museum
- Part of:
- 1857-7/1
Convolute screwing taps
4 convolute screwing taps size t.p.i. for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/2
- type:
- screwing taps
Convolute Screwing Tap
Convolute screwing tap, for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/2/1
- type:
- screwing tap
- Image ©
- The Board of Trustees of the Science Museum
- Part of:
- 1857-7/2
Convolute Screwing Tap
Convolute screwing tap, for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/2/2
- type:
- screwing tap
- Image ©
- The Board of Trustees of the Science Museum
- Part of:
- 1857-7/2
Convolute Screwing Tap
Convolute screwing tap, for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/2/3
- type:
- screwing tap
- Image ©
- The Board of Trustees of the Science Museum
- Part of:
- 1857-7/2
Convolute Screwing Tap
Convolute screwing tap, for cutting screw threads in four progressive stages.
- Object Number:
- 1857-7/2/4
- type:
- screwing tap
- Image ©
- The Board of Trustees of the Science Museum
- Part of:
- 1857-7/2
