Box 22, Folder 11: Water Levels-Various Data, 1865-1873

3 Oct 11th 1865 at 10 AM

The [north] (or east) wheel in E. Sandersons mill working only one run of stones, makes 10 revolutions in each minute=1 revolution in 6 seconds.

Nov. 7th 1865 measures length of weir.

[Notes, measurements, and calculations].

The Second Water Lease

To Loring Doney, Egbert Mosley, & Stephen Newhail Now owned by John B. Smith. Date September 21st 1843 Quantity, "200 cubic feet pr minute to drive their works or other machinery. Wheel not less than 14 feet diam Veolocity not greater than 5 1/2 feet per second Rent $100 pr an. Assigned by Consent of Co. to John B. Smith Apl. 15. 1855

Length of Wier 8 ft.

The Third Water Lease To John Anderson

Now owned by Amos Sawyer and Birtschy + Kern

Date, December 26th 1942 Quantity—sufficient for 4 runs of mill stones. Wheel not less than 16 feet diam. with a velocity not greater than 3 1/2 feet per second Rent paid in full in advance.

7

Oct 11-1865 9 1/2 AM

The wheel in Bertschy & Kerns Mill working only one run of stones makes 10 revolutions in 1 1/2 minutes=1 row in 9 s Wheel 14 ft diam=43.98 circum. Velocity 43.98/9=4.89 ft pr second.

Oct 14-2 PM wheel has same velocity Oct 24 3 PM wheel had a velocity of 1 revolution 4.60 feet per second.

[Calculations]

(See p. 51)

Oct 11-1865-10 1/2 A.M.

The wheel in Amos Sawyers Mill working only one run of stones makes 10 revolutions in two minutes-1 rev. in 12 seconds wheel 14 feet diamer=43.98 circum. Velocity 43.98/12=3.67 ft pr second.

Oct 14th 2 PM wheel has same velocity. Oct 24th 3 P.M. wheel has velocity of 1 rev. in 12 seconds V=4.398/12=3.67 ft pr second one run of stones.

[Calculations]