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New Style Ruler
Arco Rosenow, 1223 Hallock Hollow, Chillicothe, Ill. 61523 ph and fax 309 274-2107: "When doing shop work, I often have trouble adding and dividing fractions. For example, adding 11 7/16 and 7/32 and then dividing by two. If you think about it, most important things are divisible by 12 such as a 24-hour day, 60-minute
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New Style Ruler FARM SHOP Tools 29-5-36 Arco Rosenow, 1223 Hallock Hollow, Chillicothe, Ill. 61523 ph and fax 309 274-2107: "When doing shop work, I often have trouble adding and dividing fractions. For example, adding 11 7/16 and 7/32 and then dividing by two. If you think about it, most important things are divisible by 12 such as a 24-hour day, 60-minute hour, 360 degrees in a circle, etc., so why not convert the inch so it's divisible by 12?
"Someone else thought about this before I did and designed a ruler that has each inch divided into 24 marks. He calls each mark a ębob'. It doesn't sound like a big deal but after playing with it for a day I quit using my other rulers. The 1/4, 1/2, 3/4 and 1-in. dimensions all measure exactly the same. Where this ruler really shines is when you're measuring odd dimensions, or you have to cut a board to fit accurately within 1/100 of an inch without guessing. These rulers aren't widely available and the stainless steel one, because it is handmade, is horribly expensive at more than $100 for a 24-in. ruler. However, I was able to buy a few 16-ft. retractable-type measurers at a decent price and am willing to pass them onto your readers for $10 each plus $4.95 S&H. Once you try this ruler it really makes a lot of sense."
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