The C O N T E N T a 
III. A farther Examination of the Machine /aid to 
he without FriBion, ©j the fame. 
IV. DE EQ.VVLEO: AuBore Joanne 
Wardo, ^et* Trof Grefh, et S'. S. 
•• * 
V. An Account of a Treatife entituled^C2\c\i\2Xions 
and Tables relating to the attra^Stive Virtue 
of Loadftones, <jrc, ^^rinted Anno 1729. 
VI. An Account of a Soo^ cntituled^ Jo. Frider. 
Weidleri Obfervationes Meteorological 8 c 
Aftronomicae, Annorum 1728 6c 1729, 
Wittembergae, Anno 1729. 
VII. Occultatio Veneris d Lund fuheunte Berolini 
Vifa die 1 9 Septembris, 1729, N. S. f.mer, 
d D. Kirchio. ExDiario Meteorologico (M.S.) 
J. Fred. Weidleri, L. L. V. Math. Trof. 
Trim. Wittembergae. 
I. A Ca- 
