If you’re instrumenting your machine tools, or if you’re just curious, you might want to get granular access to the output of a digital micrometer or the like. [Tommy] set his mind to figuring out the ...

A MICEOSCOPE for measuring small lengths has recently been put on the market by Messrs. W. Ottway and Co., Ltd., Orion Works, Baling, W.5. The microscope, which gives a magnification of 25, is about 6 ...