Meafurement of a Bfe on Hon n flow- Hea tk 425 
Meafurement of the Bafe with the Deal Rods* 
Tab. XVI. and XVIII. 
Such extraordinary care and pains had been bellowed in the 
conftruRion of the deal rods, In order to render them the heft 
which had ever been made, that, although begun early in. 
June, they were not completely finifihed before the 15th of 
July. They were brought that afternoon by Mr. Ramsden, 
together with the various parts of the apparatus neceffary for 
their application in the held, to the camp now moved from 
Hanworth Summer-houfe to the interfeffioii of the bale with 
Wolfey River; whence they were tranfported, early next 
morning, to the pipe near Hampton Poor-houle, where we 
were met by Sir Joseph Banks, accompanied by Meff. Blag- 
den, Cavendish, Lloyd, and Smeaton, all ready to lend 
their aflifitance in the fubfequent menfuration. 
Before I proceed farther, 1 think it here incumbent upon, 
me very gratefully to remark, that the refpeffable and very 
worthy Prefident of the Royal Society, ever zealous in the 
caufe of fcience, and who had repeatedly vihted the heath, to 
offer aid, If fuch had been neceffary, while the firff: and 
rougher part of the operations were going on ; now, that others 
of a more delicate nature were to commence, and where it was 
of importance, that thofe entrufted with the execution fftould 
meet with as few, and as fhort, interruptions as poffible, not 
only gave his attendance from morning to night in the field, 
during the whole progrefs of the work ; but alfo, with that 
liberality of mind which diftinguilhes all his affions, ordered his 
tents to be continually pitched near at hand, where his immediate 
K k k 2 gueffs ? 
