Making and Using A Lumber Rule
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Back in the day ... before mobile phones, tablets, computers and even hand calculators people invented amazing devices to aid in mathematics and calculations. In fact, many of these devices are still in use in some industries today because they are still as fast and as accurate and anything invented since then.
One of the items that fits this category is something called the Lumber Rule. They are still being manufactured today, though in much smaller quantities. The only real disadvantage of a lumber rule is that anyone who uses one is probably also carrying around a smart phone, which ... will do the same thing, kind-of, though often slower, and the smartphone still needs a tape measure to go with it.
Click here to see a Lumber Rule on Amazon ...
I have seen these Lumber Rules listed on a different auction sites, for some pretty serious money, I guess anything that is perceived to be "old" must be expensive (???) So I decided to make my own version of a lumber rule to help me quickly figure out the board feet contained in a board so that I can know how much that board is worth.
If you are at the lumber store and are only buying one of 2 boards, or some small quantity, who cares? ... a smartphone, or even just a tape measure will work fine. IF - however you are buying a quantity of boards, or you are wanting to compare prices of different species in the lumber store, and do it quickly - nothing will beat a Lumber Rule for accuracy and speed.
New woodworkers are often confused by the difference between jointers and planers. I know this because I get asked what should I get first, a jointer or a planer, and my answer has not changed on that topic, in my opinion the jointer is probably the best choice for most people, and if you have planer, you will still need a jointer. I often wonder if one of the reasons for that is because we frequently call "thickness planers" the shortened term of "planer" and "jointer" terms is shortened from "surface jointer".
Despite that fact that woodworking in one form or another has been around since the dawn of man, and word "traditional" is thrown around like mainstay in the industry, there are always new tools, techniques and ideas being introduced and adapted literally every week. Many years ago, when working in another industry I discovered that a company down the street from us could provide us with some promotional products, including some very cool clear glass coffee mugs with our logo engraved on them. When I went to place the order, they showed me the machine that would be used. It was of course a laser etcher and I had never seen one before. That year was around 1995 ... and I wanted one of those machines from the first time I ever saw it. They were, and still are expensive for the commercial versions and I could never really justify the expense ... but move forward 20 years and technology has changed and now there are "hobby" or "home" versions of laser engravers that are affordable for non-commercial use, and the one that I am using was provided by 
