00494nam a2200217Ia 4500 210210b1950 xxu||||| |||| 00| 0 eng d eng 090/74 SCHNEIDER (Herman) Everyday machines and how they work New York Mc Graw Hill Book Co., 1950 192 work they machines how Everyday and Technology 000712 77225 77225 0 0 0 0 Engineering AL AL Miscellaneous 2021-02-17 0.00 0 090/74 000712 2021-02-17 00:00:00 2021-02-17 BK