Calendar: 1859-1860 Page 456

APPLIED SCIENCES 457 State the three fundamental forms of an epicyclic train and calculate the angular velocity of the last wheel Explain the application of epicyclic trains in producing very slow motion Give an example In what manner is the principle of concentrating two inde- pendent motions employed in boring machinery Explain Houldswortb's differential motion and work out the results given by the model Discuss Watt's invention of Parallel Motion Explain the Chronometric Governor Show how ratchet-wheel may be practically subdivided IV -iHanufacturing &rt an& JMaciitnirj Discuss the Eccentric and give some of its applications Show how to convert uniform circular motion into uniform reciprocating motion by the aid of cam Give an analysis of the various methods in common use for obtaining reciprocating motion of the table in Printing Machinery Explain the contrivance of the Snail which is employed in the striking part of Clock How is the reversing motion obtained in screwing machine Explain the action in Hooke's Joint If the cross be so modified as to communicate motion between parallel axes ex- amine the result obtained How are screws of different pitches cut in the lathe What is the contrivance for cutting left-handed screws Explain the usual arrangement of sawing-machine What modern contrivance supersedes the ratchet-wheel in advancing the piece of timber -Sur&ejnng