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2 résultats pour : charles thomas crowden

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Mr. Crowden's original experimental apparatus, showing jig arranged for bolting, 1898. Creator: Unknown.
HRM26A14_403

Mr. Crowden's original experimental apparatus, sho...

Travelling portion of jig and press, with cycle-frame in position, 1898. Creator: Unknown.
HRM26A14_404

Travelling portion of jig and press, with cycle-fr...