McGraw Hill books includes 1934 Electron Tubes in Industry and 1911 Heat and Thermodynaimics. John Wiley and Sons books include 1929 Public Water-Supplies, 1928 Sewage and Sewage Treatment and 1926 Reinforced Concrete Design. Also includes 1974 Trapping North American Fur Bearers, 1928 Labor Management, 1951 Audels Truck and Tractor Guide (hinge wear to back of book), 1936 Down to Earth Preprint, 1945 Drake's Refrigeration Service Manual, and 1969 1st Printing of the Varieties of Man. Overall good, with rubbing and wear to boards, along with other minor wear as expected with age and use. AJ. IMPORTANT: Before bidding, please read the terms and conditions. When you registered for the auction you agreed to these terms and will be required to comply with them.