266 REPORT OF NATIONAL MUSEUM, 1901. 



In the fourth group are the arts employing natural forces, as — 



1. The use of light and heat. Illustrated by (a) devices for 



striking fire, (b) lighting appliances, (c) heating appliances. 



2. Use of animal power. Illustrated by (a) devices for harness- 



ing men, (b) devices for harnessing animals. 



3. Use of water power. Illustrated by (a) water wheels, (b) 



hydraulic engines. 



4. Use of wind power. Illustrated by (a) sails. (5) windmills, 



(c) kites, (d) flying machines. 



5. Use of steam power. Illustrated by the steam engine. 



6. Use of electric power. Illustrated by (a) the electric mag- 



net; (b) telegraphic transmitters, receivers, and insulators; 

 (c) telephone apparatus; (d) motors. 

 In the fifth group are the metric arts: 



1. Counting. Illustrated by tallies and computing devices. 



2. Timekeeping. Illustrated by (a) sun dials, (b) hour glasses, 



(c) watches and clocks, (d) chronographs. 



3. Weighing. Illustrated by (</) balance scales, (b) spring scales. 



4. Measuring (linear). Illustrated by (a) linear scales, (b) 



dividers. 



5. Surveying. Illustrated by (<t) compass, (//) theodolite, (c) 



plane-table. 

 In the sixth group are transportation arts: 



1. Land transportation. Illustrated by (a) devices connected 



with burden bearing, (b) sliding vehicles, (c) rolling vehicles, 



(d) wheeled vehicles. 



2. Water transportation. Illustrated by (a) the vessel, (b) the 



sail, (c) the propeller, (d) the rudder. 



3. Air transportation. Illustrated by (a) the sail, (/») the bal- 



loon, (c) the ftying machine. 

 In the seventh group are the arts of war. Illustrated by (a) weap- 

 ons, (b) armor, (c) fortifications. 



In the eighth group are alimentary arts: 



1. Eating and drinking. Illustrated by utensils and appliances. 



2. Use of nicotine and narcotics. Illustrated by utensils and 



appliances for smoking, chewing, snuffing. 

 In the ninth group are costume arts. Illustrated by (a) dress, (b) 

 jewelry, (c) tattooing. 



In the tenth group are diversional arts, a few of which can be illus- 

 trated: (a) Games of skill — ball, etc.; (/>) games of chance, dice throw- 

 ing, etc.; (<■) toys, dolls, etc. 



In addition, other groups may be mentioned as follows: 



Eleventh, the art of music. Illustrated by musical instrnments. 

 Twelfth, religious and other ceremonials. Illustrated by idols, 

 symbols, and paraphernalia. 



