PATKNTB AM* I! 





, 





. 



ry uy 



walk mi Uinl ur wwte in 

 hen alluat. a fair rale of 





 a ,f ihu i* effected in 



*itl...m the 



r oar* ** alarming to 



mi ..f l hi- Mont and 



v.ram.1 rain or pray. 



atrevn* <>r w..-njpi can be placiii fr fir 



t.. . i., .. :. . f -.. 



i . IN. riahle eleoirio aiaotrie 



* nppl.. *t. name of 



ha* U--n mir'-ln' <1 n- . : . 1'ortahlr <li*Unguiahed by 



Olrfe Boat Propeller Compaq .i,fT,r.n- ...i.^ 



i..- Ulu.ir.i- hti.al iniea. Tarn a 



BrieOy denribad, the propelling device 4 ** 



^v IWoml aftSTT TW rt'oV ea^tela^C 



.' 



f : 



.r .HffareaA 



a.t -f 



bribery 



,.n,l with the -t 



.anordiMr 



,n f.T,.rof lb* 



aomiitt* of a nrvwl tobe carrying a ecrew pro- 



^H at tli- m k ' within 



llrr. Ai. 



ountnl ujH.r, tlu- ml* M.-ar the point where It 

 the etern of the boat. A liai. 



f t he tube, projecting aiill 

 -wanl. i.H within rrach of the 

 man. The motor is act uat - 



icbhiiw. The tl. vil , >',,.f? i-. 



r -ulr of the tube, in a metallic 

 fin which serves a a rml-i- h- 



> pivoted in a wicket afll\ 



hr pro|-llrr. in..t..r. an 



:V> |-.ii!..U. rin.l thr Ut- 



leneji weigh from HW (MMI: irly .100. ac- 



1-dereJofwl. 



- -M-t in motion ami diseilgagrd 

 by a ..I adji(- 



v\..luiio|,H n miiiut. A boat 



ppar ilf*t an hour unlrr 



The mil lay for ordinary 



H is about *> .r. When 



tin- i>niM-llinp machioerr the 



'iea are available for any other purpose 



in this form can be ap> 



