Plate XXI. 



F^. /. 



rig. 2. 



REPEHENCE 

 to Tig. 2. 



A. Pan Ttinv. 



B. Central Cone. 



C. Cmtral Shaft. 



D. Muller. 

 JE. Driyer. 



f. Aperture- for at/taching 

 shoes tM maUer. 



h. Step box. 



g. Sfioes 

 i. Dies. 



J. Lerer for raising muUer. 

 Jt. Rod for moving lever. 

 I. Projection on Pan Rim. 

 m. Similar projection on 

 Tmiller 



n. Wings attached to Fan Rim. 

 p. OiZ conveyer. 



Fm. /.. 



DC 



Fig. 1. Wieeler and Ra/tdalls 



Fxcelsior Paw. 

 Fig 2. Wheeiers Amalgamator 

 Fig. 3 Hepburn and. Petersons 



Pan. 

 Fig. 4-. Shoe in Wieeler-'s Pan/. 



Fi^.3. 



