. The ancient stone implements, weapons, and ornaments, of Great Britain. and appear to be ground over their whole sur-face. Occasionally some projecting spur at the side of theflake has been utilized to form the borer, as is the case in Fig. 228.—Brid- * Lubbock, Preh. Times, p. 96. Monkman, Yorks. Arch, and Top. Journ., 1868. f Journ. Ethnol. Soc, vol. ii. pi. xxviii. 2, 3. + See Archceol., vol. xli. pi. xviii. 5. § Aarboger f. Nord. Oldk., 1866, p. 311. || Lake Dwellings, p. 25. Pfahlbauten, Iter Bericht, p. 76. 20 290 BORERS, AWLS, OR DRILLS. [chap. XIV. Fig. 229, also from the Yorkshire W
. The ancient stone implements, weapons, and ornaments, of Great Britain. and appear to be ground over their whole sur-face. Occasionally some projecting spur at the side of theflake has been utilized to form the borer, as is the case in Fig. 228.—Brid- * Lubbock, Preh. Times, p. 96. Monkman, Yorks. Arch, and Top. Journ., 1868. f Journ. Ethnol. Soc, vol. ii. pi. xxviii. 2, 3. + See Archceol., vol. xli. pi. xviii. 5. § Aarboger f. Nord. Oldk., 1866, p. 311. || Lake Dwellings, p. 25. Pfahlbauten, Iter Bericht, p. 76. 20 290 BORERS, AWLS, OR DRILLS. [chap. XIV. Fig. 229, also from the Yorkshire Wolds. In this instance, the twocurved sweeps, by which the boring part of the tool is formed, havebeen chipped from the opposite faces of the flake, so that the cuttingedges are at opposite angles of the blade, which is of rhomboidal a tool seems best adapted for boring by being turned in thehole continuously in one direction. In some instances the projectingspur is so short that it can have produced but a very, shallow cavity inthe object to be
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Keywords: ., bookcentury1800, bookdecade1870, bookidancientstone, bookyear1872