D 14

JERE: DIXON.

Began to measure back again to where the Observatory stood near Mr. Harland's. Proved all our measures. Employ'd four men, one of them Mr. Joel Bailey, sur

2 17

On comparing the numbers from Mark to Mark, we find there is a disagreement between the mark in Mr. Wilson's field and that by the Road from Philadelphia to Nottingham; also between that in the said Road and the mark near Mr. Milhouses; we therefore began ' again in Mr. Wilson's field and measured on our return as follows:

187

19

Chs. Lks.

95.20—2d

423.19-3d

-Sum from the mark in the road from Philadelphia to Nottingham to the mark near Mr. Milhouses.

From the foregoing measurements the results are as follows:

From the Observatory to the

mark in Mr. Wilson's field

From Mr. Wilson's field

to the Great Road

95.14=1st measure Do 430.55 1st measure 423 30-2d

do

do

5

Hence

08 South of the Point or Mark in Mr. Bryan's field is the end of the 15 Horizontal Miles So. of the Southernmost point of the City of Philadelphia.

N. B. Some small difference, from 357 yards, corresponding to 10.5, may be found when the Zenith distances of the Stars are settled near the Mark in Mr. Bryan's field, but it can be but very small.

CHA: MASON,

JERE: DIXON.