Withdrawal of water-power sites and construction of waterpower plants for manufacture of nitrates. Hearings before the Committee on agriculture and forestry, United States Senate, Sixty-fourth Congress, first session, on S. 4971, A bill to authorize the designation and withdrawal of water-power sites and construction of water-power and other plants for the manufacture of nitrates .. T Technology
Old clocks and watches & their makers, being an historical and descriptive account of the different styles of clocks and watches of the past, in England and abroad, to which is added a list of ten thousand makers T Technology
Priorities for space research, 1971-1980; report of a Study on Space Science and Earth Observations Priorities conducted by the Space Science Board, National Research Council T Technology
