Steel Square Small 320×199 Medium 640×398 Large 1024×637 Download Tiff Original 2400×1492 | (156.7 KB) Description Illustration of steel square with bevel/slant. Keywords bevel, measure, measurement, right angle, slant, steel square Galleries Miscellaneous Math Tools Source: Claude Irwin Palmer Library of Practical Electricity: Practical Mathematics For Home Study (New York: McGraw-Hill Book Company, Inc., 1919) 136
