( I. ) 



Lib* 



,. 



j. |>p. 13, Mechanical ' 'Motions. 

 - fcends near, to the load floor ^ may- be 

 I contrived to ; f4l down through Conifc 

 ; |^>If ip the plaps, and ip to retrn 

 tinto the place From ivfcnce at fir ft 

 it tegan to move- , and being there , 





5 : ;^ 





( III. ( IV. ) 



NOS. 5413-18 (page 275). Specimen illustrations, II. and IV. representing 

 examples of a perpetuum mobile, and III. a 'sailing chariot*. 



