IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This model of a screw cutting lathe ...

IT is possible that many who possess a screw-cutting lathe with a leading screw of so many threads to the inch may wish to use it for cutting millimetre screws. While, of course, it is too much to ...

Preface: p. [2] of cover. "How to become a machinist": p. [3] of cover. siris_sil_243644 ...

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A while ago I figured out how to make this big wooden screw on the metal lathem now I want to make an even bigger one I'm starting with a chunk of birch firewood which is just the right length. And my ...