POR 
POW 
Porpoise. An account of the diffedlion of a porpoife, 
with fomeobfervationSj omitted by Rondeietius 
Ray 
— Of a venomous fcratch with the tooth of & 
porpoife, its fymptoms and cure Lifer 
Portland, Isle of. An account of the damag- 
which happened in the Ifle of Portland, 
Feb. 3, 1695-6 - Southwell 
Port-Royal. Observations on the eclipfe of the 
moon, June 18, 1722, and the longitude of 
Port-Royal in Jamaica determined thereby 
Halley 
Posture Master. Of the poflure mailer Anon. 
Pot-Ash. An account of the preparation and ufes 
of the various kinds of pot-aihes Mitchell 
— An account of a new and cheap method 
of preparing pot-afh, with obfervations 
Per civ al 
Pottery. An account of a Roman pottery near 
Leed-, in Yorkihire - Thcrejly 
Pouhon-Water. An Experimental inquiry int 
the nature of the mineral elailic fpirit or 
air, contained in Spa water, as well as into 
the mephitic qualities of this fpirit 
Brownrigg 
Continued - - Brownrigg 
Powder. A defcripbon of the ufes of a certain pow- 
der for yielding very clofe and fmooth metal, 
and of eafy carriage, &c. for calling of guns 
Anon . 
Part of a letter, giving an account of feveral 
magnetical experiments, and of one who pre- 
tended to cure or caufe difeafes at a diftance, 
by applying a fympathetic powder to the urine 
Leeuwenhoek 
— The effects of Dampier’s powder in curing the 
bite of a mad dog - Fuller 
Another cafe drawn up Hartley 2.nd Sandy 
— A report of the Committee appointed by the 
Royal Society to confider of a method for fe- 
curing the powder magazines at Purfleet 
Committee of the Royal Socetiy 
Mr. Wilfon’s diffent to part of the preceding 
report - Committee of the Royal Society 
Anfwer of the Committee to the objedtions 
Power. Short and eafy methods for finding the 
Tranf. 
VI 2274 
XIX 726 
— 660 
XXXII 23c 
XX 262 
XLV 541 
LXX 345 
XIX 
3 T 9 
LV 218 
LXIV 357 
VIII 6040 
XIX 512 
XL 272 
— 274 
LXIII 4: 
— 4$ 
— 66 
397 
Abridg. 
11 839 
— 824 
III 649 
VI 190 
III 297 
X 777 
III 418 
H 557 
'fill 68 S 
IX 224 
