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The New Zealand Railways Magazine, Volume 3, Issue 2 (June 1, 1928)

The Hack Saw

The Hack Saw.

The introduction of the power hack saw (illustration No. 4) into our workshops realised a long felt want. The one time laborious and expensive methods of cutting unequal sections is now overcome. Moreover, it is much cheaper and more effective to cut certain material with the power saw than to use the lathe or the shears.

The saw illustrated is chain driven (by an electric motor) and has two cutting speeds. The downward pressure of the blade operates on an oil cylinder which regulates the cut and automatically lifts the blade on the return stroke. A pump is also fitted for cooling the blade.

[This hack saw is the product of E. G. Herbert, England.]