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Date: |
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Description: | 1/4 20 THDS B.D. & Co (upward arrow)
1/4 20 WHITWORTH
H.W & S (UPWARD ARROW) 1/4 20
PICKFORD EVA?S &CO LD. 3/16 24
Thread cutting bit. Consists of four pieces.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | thread cutting bits shipbuilding: shipwright's tools Ralph Chief E R Ad Hood | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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