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    Identification of metal lathe

    When I looked at the picture of the metric thread chart I assumed that the exact same size bare spot to it's left was where the missing imperial chart was supposed to be.
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    Vertical 4 cycle engine from recycled parts

    My favorite is probably "Hungry As The Sea" .
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    Drills in a collet chuck

    I don't know how you get these messages but I get a daily digest and this thread has 21 posts and no pointers at all.
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    Optical center punch formula

    Issue 1 of Model Engineers' Workshop has an article on building an optical center punch which may help.
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    A Really, Really Good Book on Engine Building

    August and September 2021 issues of Model Engineers' Workshop has a rotary table build. I believe they had another one in the past. I will look through my back issues.
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    Harpanet13, Grasshopper

    Here is my second engine,after a wobbler. It started out to be an Elmers Wood Beam. I got as far as the cylinder assembly and changed my mind. Kind of took bits and pieces of several designs (mostly Elmers 37) and scaled it up a bit to fit the cylinder assembly. Worked with what I had on hand...
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    Anybody recognise this ?

    Thank you very much. I will track down a copy of the plans or book easier with this info. HWF
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    Anybody recognise this ?

    I found this in a box of old papers and scanned and cleaned it up the best I could. I may have a lead on a lead to the full drawings but figured if it was something common somebody here would know. HWF
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