684 REPORT OF NATIONAL MUSEUM, 1891. 



DEPARTMENT 4.- MANUFACTURES AND OTHER ELABORATIVE 



INDUSTRIES.* 



40. Machinery and Motors. 



401. Motors and Apparatus for thk (iKNKhation and Transmission of PoWkr. 



Early history of motors and power. 



Boilers and all steam and gas generating apparatus for motivt^ ]»nrposes. 

 Appliances for lemoval of boiler inernstation. 



Water-wheels, tnrbiues, water engines, hydranlie rams, water-))r<'8snrr en- 

 gines, wind mills. Utilization of tide forces. 



Steam, air and gas engines, stationary and portable. 



Apparatus for the transmission of i)Ower — shafting, belting, gear-wheels, 

 cables, etc. 



.Screw propellers, wheels for the propulsion of vessels, and other motors of 

 similar nature. (See also Class 347.) 



Implements and apparatus used in connection with motors: Steam gauges, 

 dynamometers, pressure gauges, etc. 



Lifting appliances and cranes, hoists, screw jacks, etc. 



Electric motors. (See Division 42.) 



Hydraulic motors and hydraulic lifts. (See Class 412.) 



402. Hydraulic and Pneumatic Apparatus, Af.ronautics and Lifting. (See 



also Class 261.) 



Pumps and apparatus for lifting and moving liquids. Tympanums, hy- 

 draulic rams, etc. 



Stop valves, cocks, pipes, etc. 



Pumps and apparatus for moving or compressing air or gas or vapors. 



Pumps and blowing engines, blowers, and ventilating apparatus. 



Hydraulic jacks, presses, elevators, lifts, cranes, and all appliances for mov- 

 ing heavy weights. 



File engines — hand, steam or chemical — and liie-extingnishing apparatus, 

 hose, etc. (See also Class 8(55.) 



Soda-water machines, bottling a])paratus, corking machines, beer engines. 

 (See also Classes 5.">7and 5.59.) 



Diving apparatus and nnichinery. (See Class 391.) 



Aeronautics. A monographic display, t 



Booka, MSS.. photooraphs, drawings and models relating to aeronautics. 



Raw materials used in tlie construction of balloons, such as silk, cotton, rope, nets, cane, etc. 



Gas balloons, captive or steering, nioiitgolfiers. and separate iiarts used in the construction 



or working of balloons. 

 Parachutes, kites and mechanical birds. 

 Instruments for use in aeronautic meteorology, such as barometers, theriuometers, hygiome- 



ters, registering appliances and photographic apparatus. 

 Apparatus for making pure hydrogen, carbureted hydrogen, and carbureted air. 

 Light motors, gas and petroleum engines. 

 Electrical apparatus, susceptible of being utilized in aeronautics, siicli as motors, lelegraidis, 



teleplioues and electric lamps. 

 Aiipliances for aerial corresjiondence by optical telegraijhy or by (iarrier pigeons. 



403. M.\CHiNERY AND Apparatu.s ok Mining, Metallurgy, Chemistry, Etc. 



(See also Dejiartment 2. ) 

 Rock-drilling machinery. Well and shaft boring. Apparatus for artesian 

 wells and water supply in general. Quarrying, etc. 



* Stone-working industries, see Division 29. Wo<»d-working industries, see Divi- 

 sion 17. 



t Classitication that of the Aeronautical Exhibition, Paris, 1883. 



