‘ r7« ) 
IV. A TABULAR” Accounr, Shewing the Strength 
’ “‘and gradual Increafe of the Tides of Flood and 
Ebb in the River Thames^ as obfery’d in Lambeth 
Reach, off of Manchefter Stairs, and in the Mid- 
dle of the River, with a New Inftrument call’d the 
Marine Surveyor on the \^th of June .1710; 
It being then the laft Quarter of the Moon and 
conlequently a Neap Tide. The Movement of 
tht Machine 14 Inches under Water. 
The 
Time 
of 
Flood. 
\ 
The 
Deph 
of the 
River. 
The 
Run of 
theCur- 
rent in 
1 every 
1 1 5 Min. 
The whole 
Run of the 
Current to 
the Times 
exprefs’d in 
the firft 
Column. 
' The fame re- 
duced to Sta 
fute Miles of 
528ofeet,or528 
Revolutions 
of the M.a- 
chine. 
The Redudli- 
on into Englifh 
[maritime Miles 
of 6000 feet, or 
600 Revo- 
lutions. 
H. M. 
Ft. In. 1 Feet. 
Feet. 
M. Pts Rev. 
M. P's.'Rev. 
»5 
30 
45 
X 
4 
4 3 
4 9 
5 3 
220 
520 
900 
1030 
220 
740 
1640 
2670 
22 
4 3 z 
X 
r 3 
22 
74 
4 14 
‘ 1 1 17 
1 15 
30 
45 
2 
5 9 
6 I 
7 
7 9 
1020 
1160 
1450 
1640 
3690 
4850 • 
6300 
7940 
f 105 
4 89 
I ' 102 
I f 2 
a 69 
4 35 
I 30 
I . 44 
2 15 
30 
45 
,3 
8 1 
9 
9 6 
10. 
1830 
1920 
2070 
2170 
9770 
1 1690 
11760 . 
15930 
* 4 53 
1 113 
2 A 56 
5 9 
« f 77 
14 119 
1 i 26 
3 15 
, 30 
45 
4 
10 4 
” 3 
II, 4 
It 9 
2070 
i960 
1890 
1700 
1 8000 
19960 
21850 
13 550 
3 1 «4 
3 4 i 6 
'4 73 
•4 % III 
3 
3 4 46 
3 f- 85 
3 4 ‘105 
4 *5 
30 
3.5 
40 
1 1 6 
1 1 
II 
1300 
730 
70 
Stagnt. 
24850 
25580 • 
25650 
Stagnant. 
'4 r 109 
4 1 50 
4 * 57 
4 85 
4 1 8 
4 4 15 
j 
45 
50 
. 
10 io 
10 9 
dit. 
dif. 
dit, 
dit. 
. .. 
K a 
