p. 1

[Dec. 27, 1865?]

1. Diameter of wheel
2. Velocity of periphery - spread of stones - Head of Water
3. Lower Rim of wheel below surface of canal.
4. Length of weirs now - & at first - each succeeding
wier - Date of each change - Length of buckets
in each wheel.
5. How, when, & by whom the surface of the canal was fixed.
6 What increase of speed of Millstones has happened.
7. What new and different machinery is now used - when
change made and how much more water that
requires.
8 How much more flour do they make now than then
9. How much more water does it take now than it did
in 1842 & 1843 to run a mill stone.
10 What Bars in the canal
11 How much of back water is from the lake? & how
much from high floods in river.
12 Get complete history of water level for whole period.
13. How much is the lower limb of each wheel above
high water & low water - how at all times.
14 What difference at each period between the
elevation of the surface of river & of canal
15 Facts about the wiers of Sawyer & Bertschy cutting down.
16 How wheel can be raised temporarily to get out
of high water - enquire about Sawyer's case.
17 Make table of high water &c - [etc]