510 PHILOSOPHICAL TRANSACTIONS. [aNNO iSSl. 



This contrivance will not only be useful for all manner of mills, either for 

 grinding, sawing, polishing, bruising, drawing and raising water, blowing bel- 

 lows, &c. in the same manner as common windmills are now used; but may 

 be also of great use for watermills in rivers, where there can no dam be made, 

 as may also the perpendicular vanes of other mills. 



An Occultation of Aldeharan, or the BuWs Eye, by the Moon, Jan. 1, N. S. 

 ]681, observed at Dantzic by M. Hevelius. Philos. Collect. N° 3, p. Qd. 



The star's first immersion was at 7^ 37"^, viz. at Mare Syrticum, under the 

 island Cercinna, the altitude of Andromeda's Head being then 50° 32'. The 

 star emerged at S'^ 46"^, viz. at the greater island of the Caspian Sea. 



An Eclipse of the Moon, of August the igth, l68], N. S. in the Morning, ob^ 



served at the Royal Observatory of Paris. Philos. Collect. N° 3, p. QQ. 



Digits eclipsed, h. m. s. 



0° O' O'^. . The beginning at. 1 58 30 



6 O O .. At the centre of the moon 2 37 30 



10 1 . . The greatest obscuration 3 35 45 



Q O . . To the centre of the moon 4 29 O 



O O O . . The end of the eelipse 5 13 O 



The whole duration 3 14 30 



Note, That at 5^ 13"^ §6", the apparent altitude of the upper edge of the 

 sun was 17' 10", and that of the moon 1° ll' 30'^ 



The same Eclipse of August 1 9, in the Morning, 0, S. 1 68 1 , observed at Green- 

 wich by Mr. Flamsteed. Philos. Collect. N° 3, p. Q7 . 



Beginning of the eclipse at 1^ 50"^ 40^ in the morning, corrected time. At 

 3^ 14"^ 12^ the remaining lucid parts were 109^2 = 5' 27'^, after which, the moon 

 was no more seen for clouds. 



A full Account of divers strange Symptoms which happened to a Patient at Berne. 

 By Sigismund Konig, M. D. Abridged and translated from the Latin. 

 Philos. Collect. N" 3, p. 68. 



This communication gives a history of the case of a young woman, Marga- 

 retta Lauwer, at that time about 25 years of age, who in the spring of 1678, 

 when she was in her 21st year, menstruis de^cientibus, was affected with the 

 most excruciating pains, seizing at different times various parts of the body, 

 and accompanied with a sudden eruption of vesicles or bladders, of a hand's 



