CORRESPONDENCE OF RAT. 23 



Sir Phil. Skippon to Mr. Weay. 



Sir, — The effects of the transfusion are not seen, the 

 coffee-houses having endeavoured to debauch the fellow, 

 and so consequently discredit the Royal Society, and 

 make the experiment ridiculous. 



Sir Phil. Skippon to Mr. Wkay. 



Sir, — Yesterday there was a letter read from Dr. 

 Sampson (who is at Leyden) to Dr. King, giving some 

 notable observations in the anatomy of a . . . 

 near the Bodensee. Dr. Lower showed the cause of 

 blindness in horses, which is a spongy excrescency that 

 grows in one, sometimes in two or three places of the 

 uvea; which, being overgrown, covers the pupil when 

 the horse is brought into the Hght, but in a dark stable 

 it dilates again, A trial was made, whether a piece of 

 iron touched by a magnet would weigh more than it did 

 before it was touched : this succeeded not. A present 

 was sent from Mr. Colpresse, I think, who lives in the 

 West, being a box full of the several mineral stones, 

 clays, &c., observed there. Mr. Hooke has improved the 

 pendulum watch, by making the simple vibrations pro- 

 mote the circular motion. It is hoped the college they 

 have designed below Arundel House, towards the water- 

 side, will be finished by next Michaelmas. Dr. Moulin 

 translates the ' History of the Royal Society' into French. 



London, Jan. 24, 1667. 



Sir Phil. Skippon to Mr. Weay. 



Sir, — It is somewhat difficult for me to explain in 

 writing the new way of pendulum. There is the common 

 vibration that Hugenius invented in watches, and Mr. 



