Vacuum-tube circuits / by Lawrence Baker Arguimbau speed and power of ships : a manual of marine propulsion / by D.W. Taylor Tele-communication engineers' instrument manual / by Paul H. Hunter samworth books on firearms Gunsmithing : a manual of firearmsdesign, construction, alternation and remodeling : for amateur and professional gunsmiths and users of modern firearms / by Roy F. … tactical employment of antiaircraft artillery in the independent division and corps (tentative) / Command and general staff school