A Crow brand TUFNOL dolly employed to protect piles from the repeated hammer blows of a pile driver. Each blow delivers a maximum explosion force of 70 tons, and the striking rate of the hammer shown on the left, under which this dolly served, is fifty blows per minute. Greenheart dollies previously used had had…
Even after having more than 2,000 holes drilled in it, this TUFNOL patch board is strong enough to stand the one-ton total thrust of the spring contacts. Heron brand TUFNOL was specified for the job by the Woden Transformer Co. Ltd. because it is light, yet mechanically strong, and at the same time a first…
‘Give me an insulating material that will combine the advantages of some of the varieties now widely used, yet avoid the disadvantages implicit to them’ George Ellison, founder of the famous switchgear and control gear company. Hence, a new material evolved ultimately to be named Tufnol. Formed by moulding resin-impregnated paper laminate under heat…