XIII. MODELS, ETC. 561 



2359. Variable motion from Wheels set eccentrically. 



2360. Model of Hoemer's Wheels. 



2361. Method of altering or stopping the reciprocation 



of an Arm without stopping the prime mover. 



2362. Model for comparing Bourdon's Gauge with 

 Mercurial Pressure Gauge. 



2363. Model to show principle of Bourdon's Gauge. 



2364. Model of Wave Line Cam. 



2365. Model of Heart Cam. 



2366. Cam with Pulleys and Band. 



2367. Model to illustrate Slit Bar Motion. 



2368. Model of Spur Wheels. 



2369. Model of Perrault's Wheel and Axle. 



2370. Model of Blowing Fan. 



2371. Model of Centrifugal Pump. 



2372. Model of Screw. 



2373. Model of Pump with revolving Belt. 



2374. Model to explain the Hydrostatic Press. 



2375. Whirling Table for Suspended Objects. 



2376. Models of Pyramid, Cone, Cylinder, Ring, Chain, 

 and weighted piece, for experiments on rotation. 



2377. Whirling Table. 



2378. Model to show effect of Rotation on a cork and a 

 bullet in tubes of water. 



2379. Plask arranged for experiments on Rotation. 



2380. Model to explain Siemens' Water Governor. 



2381. Model to explain Ramsbottom's Velocimeter. 



2382. Various Models showing effects due to Rotation. 



2383. Apparatus for showing the effect of the atmosphere in 

 causing a spherical bullet to deviate laterally. 



40075. N n 



