bit; centre
Maker
1. Mathieson
2. F Brittain
3. William Marples & Sons Ltd.
Description
Six centre bits for a drill. Part 3 had a semicircular depression on it tang.
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Object detail
Stamping on part 2: "7/8 /MATHIESON" with crescent and star trademark
Stamping on part 3: "1.1/2 /F/ BRITTAIN/ SHEFFIELD"
Stamping on part 4:"1.3/4 / MATHIESON"
Stamping on part 5: "2/MATHIESON" with crescent symbol but pretty unreadable.
Stamping on part 6: blank
Dimensions:2:L 12cm (L 4 3/4")
Dimensions:3:L 16.2cm (L 6 3/8")
Dimensions:4:L 15.2cm (L 6")
Dimensions:5:L 15.8cm (L 6 1/4")
Dimensions:6:L 14.8cm (L 5 13/16")
Dimensions:1:W 1.5cm (W 9/16")
Dimensions:2:W 2.1cm (W 13/16")
Dimensions:3:W 3.8cm (W 1 1/2")
Dimensions:4:W 4.3cm (W 1 11/16")
Dimensions:5:W 5cm (W 1 15/16")
Dimensions:6:W 5.2cm (W 2 1/16")
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