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Date Posted: Tue, 25 Oct 2011, 23:11:49
Author: John S (memories)
Subject: W Tyzack Sons & Turner Ltd

Hi again, whilst working at this company the file department was just below the dam which powered an overshot waterwheel. This drove the tilt hammer with a 12inch square oak beam with a 3cwt hammer head. Pegs in a wheel raised the hammer which dropped on the anvil to forge engineers files.

Other file forgers sat on swinging seats suspended from the roof trusses. This enabled them to swing from furnace to forging hammers to forge file cross section & shapes, also the tangs.

The shop also contained the file cutting machines which cold forged the teeth one at a time; what a din when they were running.

File hardening - I don't remember if this was done in the file department, or in the heat treatment department down the yard.
Files need to be quenched to harden them by plunging vertically to submerge the file to prevent bending due to differential cooling across the file width.

Rats - the area/company was overrun by rats to the extent the company paid a shilling (5p today) which would have bought two & a half full size Mars bars, not the pared down shrunken version today. The shilling was paid by the accounts department on production of a rats tail.

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