w 





Phyfico-Mechanical 



EXPERIMENTS 



Oh Various Subjeds. 



CONTAINING 



An Account of feveral Surprizing Themmena 



TOUCHING 



Light and Ele^ricitj^ 



' Producible on the Attrition of B o d i e s. 



With many other Remarkable Appearances, 

 not before obferv'd. 



Together with 



The Explanations of all the Machines, 

 ( the Figures of which are Curioufly Engrav*d on 

 Copper) and other Apparatus us*d in making 

 the Experiments. 



By F. H A u K s B E E, F. R. S. 



I iV 2) AT 



Printed by R . Bnmsy for the Author; and Sold only 

 at hisHoufc inW^ief-Oj^cf-Oarf ini7fr/-y?rfrr. lyoy. 



Ki(.. L'.S. Title page of the first jjook (London. 1709) coiilaining a roniiMeiiensive siiiiK 

 of elertiohnninescentc in gas at low piessiiie, bv I ram is Haiikshec. 



