Category Archives: By Hand & Eye

Plumbing the Mystery of the Mason’s Medal

In this sketch I did of a Masonic “Past-Master’s Jewels” medal,  notice the representation of the pythagorean theorem. It is reported that its presence on the owner’s medal indicates that person was what we would likely now call a crew … Continue reading

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Waking up Your Eye

This is an excerpt from “By Hand and Eye” by Geo R. Walker and Jim Tolpin. On the southern shore of Lake Erie lies a narrow strip of cottonwood bramble called Magee Marsh. It’s the last bit of shelter for … Continue reading

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Sine Curve Tutorial

To develop the curves in the various brackets – here the support for the back fence on the lid of a desk – I followed the ancient practice of melding arcs of a circle along a straight line.     … Continue reading

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The Number of the Name is….

While I mostly use the sector for doing design and layout work in my shop, I realized recently that it’s also a great tool for showing someone (especially your kids) an intuitive approach to understanding fractions. Here’s how I’d describe … Continue reading

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Introduction to Punctuation

This is an excerpt from “By Hand and Eye” by Geo R. Walker and Jim Tolpin. Punctuation to Establish a Border Punctuation acts like a visual warning track in a baseball outfield. As the outfielder races to catch a fly … Continue reading

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Fractions in the Real World

Here’s a page from a forthcoming pamphlet I’m working on about the geometric truths that underlie – and led to the development of – all our layout tools, including (and ending up at) the sector. If you have kids around … Continue reading

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Make (or Buy) a Sector and Learn to Use it

If you haven’t heard of the sector, it probably means you aren’t an artillery officer or a ship’s navigator working in the 17th century. An invention attributed to the great astronomer Galileo, the sector was a calculation instrument comprised of … Continue reading

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