The astrolabe is an ancient astronomical tool of ... and whipped up a simple scroll saw powered by an old sewing machine foot treadle to speed up his work. The real treat though is the hand ...

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So what follows is very summary indeed. At first sight this astrolabe looks like an outsized old-fashioned pocket watch with an entirely brass face. It sits easily in my hand - in fact it fills it ...

So what follows is very summary indeed. At first sight this astrolabe looks like an outsized old-fashioned pocket watch with an entirely brass face. It sits easily in my hand - in fact it fills it ...