Watchmaker's drill turn with whalebone bow.

Made:
Unknown in unknown place
Watchmaker's drill turn with whalebone bow. Watchmaker's drill turn with whalebone bow. Watchmaker's drill turn with whalebone bow.

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Watchmaker's drill turn with whalebone bow.
Science Museum Group
© The Board of Trustees of the Science Museum

Watchmaker's drill turn with whalebone bow.
Science Museum Group
© The Board of Trustees of the Science Museum

Watchmaker's drill turn with whalebone bow.
Science Museum Group
© The Board of Trustees of the Science Museum

Watchmaker's drill turn with whalebone bow.

Details

Category:
Hand and Machine Tools
Object Number:
1910-16
Materials:
brass, steel, whale bone and cat gut
Measurements:
Bow overall: 255 mm x 70 mm x 10 mm, .004 kg
turn: .5906 x 1.6535 x .3937 in.; 15 x 42 x 10 mm
Drill turn overall: 45 mm x 96 mm x 14 mm, .072 kg
type:
hand drill
credit:
Wimshurst, H C

Parts

Watchmaker's turn

Watchmaker's turn

Watchmaker's drilling turn. The turn has a lug at its base for fitting it into the jaws of a vice. One end of the fork is drilled and tapped to recieve the adjustable back centre and the other end has a plain hole through it. The spindle has a shouldered fore end fitting the hole, whilst the back centre holds the shoulder up against the bearing. The nose of the spindle is bored for the drills. It...

Materials:
brass , steel and brass DUP 1
Object Number:
1910-16/1
type:
hand tools
Watchmaker's whalebone bow

Watchmaker's whalebone bow

Watchmaker's whalebone bow. The string wraps once around the spindle of a drilling turn (1910-16/1). The bow is made from whalebone with a fine gut band.

Materials:
whale bone , cat gut and brass DUP 1
Object Number:
1910-16/2
type:
hand drill