9/21/2023 0 Comments Egyptian plumb bob![]() As is so frequently the case, it is not about how fancy the tool is, but about how well we use it. This wooden plumb level from the tomb of Sennedjem consists of two short pieces projecting at right angles from a longer slab. Plumb Bob and Set Square, symbols of accuracy and trueness, from ancient Egypt. It is our purpose here to show how this instrument was used to. Based on the texts and engravings on the inner walls of the Egyptian temples of Dendera and Edfu, scientists concluded that the merkhet was typically used in conjunction with a corresponding sighting tool, which the Egyptians called a bay, itself made from a specially cut palm-rib with a sliced 'V. plumb-bob level and a right angled square combined into a single instrument as shown. For most of the home toolboxes, we recommend you to have a single bob that weighs some ounces. The bob would hang from the short vertical arm. It may weigh as much as several pounds or as little as an ounce, totally depending upon the utilization. Some plumb lines have sharpened tips that can be bent by repeated use if the point on yours is out of alignment or either bent, then replace it. Foundation and Excavation contractors mostly rely upon the plumb bob and building a chimney the tool will be indicating whether a flue is veering off plumb or running true vertical. Surveyors use plumb bobs sometimes for transferring points or lining them up. ![]() In one place, the plumb bob can be used to sight an object in some other pipe, for example for plumb. Once it is hung the bottom and top points can be traced and used as guides. For instance, we can locate fixtures or surfaces above (or below) or decorations about an object using the plumb bob. ![]()
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