[ 54 « 3 
The Tard inferibed on 
the Royal Society s 
Rod, exceeded the 
fame by . . . 
The old Brafs Standard 
at the Exchequer , 
marked with the 
crowned fell fhort 
of the fame by . . 
The Standard Ell Rod , 
at the Exchequer , ex- 
ceeded 45' Inches, of 
fuch as the Standard 
Tard contains 36, by 
At Guildhall , the Standards of long Meafure there 
ufed, are only Two Beds, or Matrices, the one of a 
Tard , and the other of an Ell , cut out of Two of 
the Edges of a fubftantial Brafs Bar, much like that at 
the Exchequer , but not altogether fo thick 5 which 
Bar is fealed with the Exchequer Seal, and marked 
at both Ends with C. R. crowned ; and alfo, as it 
feems, with JV. M. crowned in like manner. But 
there are here no Rods fitted to thefe Beds 5 fo that 
all that feemed requifite and proper to be done, was 
to take both the greateft Lengths of thefe Beds, and 
alfo the leaft Lengths of the fame; the lafl being 
nearly the Lengths of fuch fquare Rods as might be fo 
fitted into the Beds, as to go in every way clofe, and 
without fenfibly {baking: And, upon taking the faid 
Meafures, it appeared, that 
Rev. Div. - 
r o : 6,0= .0075 = 
133.3. 
The 
