558 SEC. 12. APPLIED MECHANICS. 



2287. Model of Combined Joints. 



2288. Two forms of Ball and Socket Joint. 



2289. Model of Hooke's Joint. 



2290. Two Models of a Double Hooke's Joint, with 

 adjustments. 



2291. Mode of Connecting Parallel Axes. 



2292. Parallel Axes, connected by a fork and grooved disc. 



2293. Motion between Inclined Axes. 



2294. Parallel Axes with Cranks and Links. 



2295. Pair of Cranks, connected by a link, with adjustments. 



2296. Mode of connecting Parallel Axes. 



2297. Earliest Contrivance for feathering Floats in 

 Paddle Wheels. 



2298. Model of Link Motion in a Wool Combing Ma- 

 chine. 



2299. Model of a Ventilating Fan. 



2300. Model of Knuckle Joint. 



2301. Knuckle Joint, with crank and connecting rod. 



2302. Model of Stanhope Levers. 



2303. Model of Lever Shears. 



2304. Circular into Reciprocating Motion, with four beats 

 for each rotation. 



2305. Circular into Reciprocating Motion, with alternate 

 intervals of rest. 



2306. Model of Screw Surface. 



2307. Model to show Difference of Inclination in 

 Screw Threads of the same pitch, traced on cylinders of different 

 diameters. 



2308. Model of Endless Screw and Worm Wheel. 



2309. Rolling Contact between Hyperboloids, with gene- 

 rating line mounted separately. 



