468 SEC. 12. APPLIED MECHANICS. 



2274. Two Models of Unbalanced Wheels. 



2275. Model of an Arch. 



2276. Model of Jointed Sword (Cowper). 



2277. Model of Continuous Action Fump. 



2278. Model of Pendulum, arranged for beating Time. 



2279. Model for Tracing the Curves in the Slit Bar 

 Motion. 



2280. Two Models of Eccentric Rosette Motion. 



2281. Various Models to show the production of Mea- 

 suring Bars for End measure. 



2282. Model to illustrate the conversion of Linear into 

 End measure. 



2283. Model to show Principle of Roberval's Balance. 



2284. Balance on Boberval's Construction. 



2285. Weighing Machine. 



2286. Frame for experimenting with Epicyclic Trains, 



and with other trains, as in a screw-cutting lathe. 



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. Fair of Cranks, connected by a link, with adjustments. 



2296. Mode of connecting Parallel Axes. 



2297. Earliest Contrivance for feathering Floats in 

 Paddle Wheels. 



