[ 55 ° 3 
the Length of the Yard , or of the Three Feet infcribed 
upon it, exceed the foremen-lRev. Div. 
tioned Exchequer Standard? 0 : 8,9 = .01 1 1 = — 
of a Yard by .... j 90 
The Standard Yard, belonging to the Clockmaker s 
Company , was delivered to them from the Ex- 
chequer, by Indenture, the 4th of September , 23 
Car. II. A.Y). 1671. It is a Brafs Rod of Eight 
Sides, near half an Inch in Thicknefs, fealed with the 
Exchequer Seal, and C. R. crowned, near each End ; 
and whereon the Length of the Yard is exprefled, by the 
Diftance between Two upright Pins, or fmall Cheeks, 
filed away to their due Quantity : This was procured 
by Mr. Graham, to be brought to the Fr.efident’s 
Houfe of the Royal Society, on Saturday the 7th 
of May laft, where all the above-named Company 
then met, to collate their refpe£tive Notes of thefe 
feveral Trials, all which were found to agree with 
each other: At which laft Meeting, Mr. Y°^ n 
Machin , of Grefham College, the other Secretary of 
the Society, was prcfent alfo: And the Length of 
this laft Yard Meafure was then tried, and found to 
fall fhort of the Exchequer Standard Yard Meafure , 
now very carefully added 1 
on the Middle Line 0 f( Rev ; 1 
the Royal Society’s^ 0,1 ; °~ 47.62 
Brafs Rod, . . . . ) 
Now, as to the Weights, thofe in the Chamber- 
lains Office in his Majesty's Exchequer , and which 
are efteemed the Standards, are a Pile, or Box, of 
hollow Brafs Troy Weights, from CCLVI Ounces 
downwards, to the 1 6th Part of one Ounce , all feve- 
rally marked with a crowned E. : But they have no 
Fenny- 
