Numb. 435. 
PHILOSOPHICAL 
TRANSACTIONS 
For the Month of "December , 17 34- 
The C O N T E N T S. 
I. De AMBRA GRYSEA. Julio n 
Cafparo Neumanno, M. D. Chemu ^Pro - 
feff. Derolin. & S. S. Pars III* 
II* Editoris Recenfio Experiment or urn circa A ru- 
bra m Gryfeam a Domino Joh. Browne, 
Pf S. S. & d Dno. Ambrofio Godofredo 
HanckemtZj R- S. S* inflitutorum, cum D. 
Neumanni, <2^* 5. S'. Experimenti fid vindi- 
e a done* 
III, An Account of Mr. Thomas Godfrey* Im° 
provement of Davis’* Quadrant, transferred 
to the Mariner’s-Bow, communicated to the 
Royal Society, by Mr. J. Logan. 
I 
I 
I - 
IV. An 
