MILLER'S PATENT 



LIFE AND UABOR-SAVING 



FOK THE USE OF 



Stores, Hotels, Wareliouses, Factories, Sugar Eefineries, Packing Houses, Mills, Docks, Mines, &c. 



.M A N r F A (• T V R E 1>' B V 



CAMPBELL, WHITTIER & CO., ROXBURY, MASS. 



Sole Jf/cnts for the New England States. 



The' ab6ve Engraving illustrates a \ei J supeiior Hoisting Machine designed for Store and WavellOUSe J£oistlllf/, 

 It is very simple in its construction compact durable and not liable to get out of order An examination of the Engraving will con- 

 vince any one who has any knowledge of Machinery, that the screw is the only safe principle on which to construct a Hoisting Machine 

 or Elevator. 



Figure 20. — Advertisement for the Miller screw-hoisting machine, about 1867 

 (see p. 23). From flyer in the United States National Museum. 



PAPER 19: ELEVATOR SYSTEMS OF THE EIFFEL TOWER 



19 



