TY - BOOK AU - Holtzapffel,Charles TI - Materials, their differences, choice, and preparation, various modes of working them, generally without cutting tools T2 - Turning and mechanical manipualation SN - 1879335468 PY - 1994///] CY - Mendham, New Jersey PB - Astragal Press KW - Materials KW - Metals KW - Wood N1 - Includes index; Facsimile of; Holtzapffel, Charles, 1806-1847; Materials, their differences, choice, and preparation, various modes of working them, generally without cutting tools; London : Holtzapffel & Co., 1843 ER -