oe 
Miscellanies. 
3. Graduation of the Mohawk and Hudson 
Rail Road ; communicated by S. DeWrrr t 
Bioopeoon, of Albany.—The account which 
was published in the last number of this Journal, 
of the Hudson and Mohawk Rail Road, was in- 
tended as a popular illustration of an important 
subject, rather than a minutely accurate descrip- 
tion of all its parts. “In consequence, the char- 
acter of the graduation of the road, was, among 
other things given only in general terms. 
The annexed profile* is accurately drawn, on 
a horizontal ‘scale of 200 chains to an inch, and 
on a vertical scale of 800 feet to an inch, and 
is furnished by Mr. Jervis, with his usual kind- 
Ness. 
1. From the Canal to the foot of the inclin- » 
ed plane, is 26 chains—level. 
2. Inclined plane, ascent 1 foot in 18—31 
chains. ‘Total rise, 115 feet. 
3. Level, 3 miles 42 chains. 
4. Descent, 1 in 450—2 miles 11 chains, 
Lanes 
5. Level, 1 mile 40 chains. 
6. Descent to centre of road 1 in 995—1 
mile 53 chains, fall 62.50. 
7. Level, 1 mile 7 chains. 
8. Descent, 1 in 270—3 miles 12 chains, 
fall 61.50. 
9. Level to inclined plane, 3 chains. 
10. Inclined ee descent 1 in 18—5l1 
chains, 185.01 fee 
11. Foot of i to Hudson river, 19 chains. 
The total length is 14 miles 48 chains. 
Since the setting in of winter, the locomotive 
engines have been withdrawn, and horses are 
used to drag the cars over the road. The 
wheels of the engines were found to slip during 
the very cold = vastoi, but the snow that fell, 
* Reduced one half, to bring it within the page.— Ed. 
Vou. XXI.—No 2 49 
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