Most of you reading this article probably will never make sandblasting signs, but if you want to know about the process of making them, this article will be very informative in that regard.

In about 1870, Benjamin C. Tilghman invented and patented a method that used high-pressured air to powerfully drive an abrasive substance against wood or other surfaces to remove paint, moss, dirt, or, in the case of sandblasting, wood particles. We’re not precisely sure how long it took makers to adopt this method to create the first wood sandblasted display, but because carved wooden signs had been in existence for thousands of years,

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