Locking; being an elementary treatise on the mechanisms in interlocking lever machines by which the movements of the levers are restricted to certain predetermined ways, rendering it impossible to operate conflicting switches and signals on railways T Technology
Report of the Select committee appointed to confer with the authorities of the state of New York, relative to a connection of the public works of New York and Pennsylvania T Technology
Efficiency methods : management, modification in organisation due to new ideas, standardisation and classification, renumeration under scientific management, welfare work, trade unions and education T Technology
International library of technology : a series of textbooks for persons engaged in the engineering professions and trades, or for those who desire information concerning them T Technology
Mechanical processes; a practical treatise on workshop appliances and operations for the instruction of midshipmen at the U.S. Naval academy T Technology
Operation of trains on heavy grades. Report of safety appliance inspectors to the Interstate Commerce Commission T Technology
