562 SEC. 12. APPLIED MECHANICS. 



2384. Balls swinging in a Cycloid. 



2385. Models of Cone and Paraboloid. 



2386. Two forms of Gyroscope. 



2387. Model of Pendulum, with adjustments. 



2388. Model of Accumulator, with Press. 



2389. Sectional Model of Locomotive. 



2390. Belt on Pulleys at right angles. 



2391. Action of Convex Pulley on a Belt. 



2392. Models to show the principle of Lattice Girder 

 Beams, 



2393. Whitworth's Bench Measuring Machine, to mea- 

 sure intervals differing by one ten thousandth of an inch, and for 

 constructing difference gauges. 



2394. Apparatus for obtaining a Hectangular Measur- 

 ing Bar with plane ends at right angles to its axis. 



2395. Hexagonal Surface Plates. 



