Tensioning the crosscut on a two metre saw blade, Sheffield, South Yorkshire, 1963. A worker at Slack Sellars and Co Ltd. The process of tensioning involves hammering the saw face to alter the shape of the metal slightly. This will enable the saw blade to run true when the metal gets hot and expands. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Worldwide Photography |
Bildgröße: | 3683 px × 4798 px |
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