\TIFIC QUAK 



Kerschel last year found 



nd evening t v, 



Venns's atmosphere to be confirmed, as I could not 

 hope to have obtained Much an important contim 

 so early, conhi'l. rin- the exc l<*eopes required, 



aii.l i 



occura but aeldotn nun, 



which this ^reat observer has inserted in the / 

 Trans, for 1793, contains unreserved assertions, u 



may be easily injurious to tin- truth. i.r the very 

 reason that t nth fur th.ir object, and yet 



rest on no sufficient foun-i 1 Schroeter tl>< n 



endeavours to show that Herachel's paper con 



presentations or unsatisfactory proof of mistakes 

 committed by him. 



A-as a small quarrel at the worst, in which these 

 two friends engaged, a very different quarrel from Un- 

 ites and angry encounters that disgraced Leibnitz, 

 Bernoulli, and Flamsteed, and did not leave 

 Newton alto;: ! scathed. Schroeter had pci 



best of i t His mountains, twenty or t \ > rec 



<>n tiio surface of Venus, may be a myth, 

 it th.-n- is n.> l..ul,t that his measure of the lengt 

 her day, 23 h 21 m , is somewhat grudgingly accept* 

 Herschel, while his estimate of the size of Venus, as 

 rather less than the earth, is preferred to Hers* 



believed he had proved Venus to be a littl.* larger 

 than the earth. At the same tim< it must be admitted 

 II idi-1 had sometimes cause to complain. 

 ic astronomer in 1799, he says, " the same 

 >r's account of my double stars is extn 

 erroneous." 



As early as 1777, while toiling at the daily work of 



