TY - BOOK AU - Hawke, David Freeman. CN - T21 CN - T21 CY - New York : DA - c1988. ET - 1st Perennial Library ed. ID - 134573 KW - Technology KW - Technology KW - Inventions KW - Inventions N1 - Includes index. PB - Harper & Row, PP - New York : PY - c1988. SN - 0060916052 (pbk.) T1 - Nuts and bolts of the past :a history of American technology, 1776-1860 / TI - Nuts and bolts of the past :a history of American technology, 1776-1860 / ER -