f 7ps> ] Numb. \66. 
PHiLOSOPHTGAL 
T RAN SAC T I .O N S. 
Decemb, 20. 1^84. ' 
Tiie CONT EN T-S. . , 
I. .extraSl of a Letter from the ere f^d an^ learned 
Dr. John Wallis, Prefident o/^Z?^ PhilolophicalSoCietf 
of Oxford , to the Fublijher, Dr. Robert ^\ol, concern" 
injr two very lar^e Stone Chimneys, rvith a peculiar fort 
Arch-work thereon. . 2. Some Qiienes whereby to exa^ 
mine Mineral waters, ^j/ the learned Sr,W\)X\^xii Petty 
Knight. i.\SolutioPhilofophicaCzi\\s c7.ijufdam rario^ 
ri$ a CI. Domino DoSore Briggs ^ in ABt^ Fhilofophicis 
'Num. 1^9. nuper editiy dejuvene ^vefpere ccecutiente. 
4. Adtjcourfe concerning the Sepulchral Lamps of the 
'Kviciti\ts, jherpingthe pojjibility of their being made di^ 
vers ivaies, read before the Philofophical Society of i x- 
ford, May the 7. 166*4, Robert Plot LL.D. Diredor 
of Experiments Society. 5-. A Letter from 
Mr. William Mufgrave Fellorvof^^w College Oxon : 
and one of the Secretaries <?/ ^/^^ Royal Society, to the 
learned Dr. M^vtiw I^'Aqv, wherein He endeavors to 
prove that the Laiteals frequently convey Liquors that 
are not White. 6. A Correal Tide-TableJ&^W/^g- the true 
times high-water at London Bridg for.every day in, 
theyear 168 by John Flamfteed Math. ]{eg, andF.I\^S. 
7. An ingenious Retradtiition of the 7 and lafi Para- 
graph of Mr, William Moly neux s Letter in Philofo- 
phical Tranlad. Numb, lyS, p. si\* concerning Lough 
Ncaghv?^^??^^ arid its non application to the Magnet upon 
caicination. Being an abjlraci of a I^Qtt^tQfthejarne 
ingenious Gentieman dated from Dublin Novemb. 
D 2y. 
