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APPROXIMATE NUMBER SPECIMEN LENGTH WIDTH THICKNESS OF TEETH PER INCH 11 on one edge Q10-B § 3/4" 11/16" 0,014" 18 on one edge Q10-¢ e" 1/2" 0.021" | fine, fragmentary cutting surfaces on both edges Qi3-A 6" 11/16" 0,014" 14 Q13-B 61/8" 11/16" 0.014" 14 Q13-C 5 13/16" 11/16 0.014" 14 There aré not an thin strips of steel: be a rT a et ® > SPECIMEN LENGTH WIDTH THICKNESS Q10-A 6 1/8" 11/16" 0.014" Q1l 6 3/16" 1/2" 6.021" Qll 6 3/16" 1/2" 0.021" Qll 6 3/16" 11/16" 0.015" It appears probable that the four pieces of steel listed in the last table represent materials from which the homemade saws were made. In dimensions and appearance the 11/16" wide steel strips are similar to metal from a large spring. Steel banding strap material for use in preparing boxes for shipment is usually softer than the saw blade metal but it looks strikingly similar to it. The‘ prison officials probably can determine the most logical source of the saw blade metal including the 1/2" wide metal. ‘ It is not possible to estimate the age of the saw blades on the basis of the amount of rust on then. Specimen Q9 consists of the round knurled handle and 1 5/8" of the filing portion of a small, broken file. The information "2 SIMONDS" appears on the handle of the old file which identifies it as a product of the Simonds Saw and Steel Company, Fitchburg, Massachusetts, a large volume manufacturer of saws and files. pO, Oe > In addition to the three thin pieces of steel in Qll which appeared similar to the steel from which the saw blades were made, there were numerous pieces of miscellaneous metal, homemade tools, tablespoon handles, a small wooden block with three set screws and a homemade flashlight. Page 4 . te PC-70654 GH “ cme re eee ee seen ces cay ee ame eee ee eer igen ee (continued on next page) </ tb Le ON, Re eR