Ring Spinning, Engines and Shafting.

MILL OILS.-January 26, 1904 (Correction for increased speed of

spindles)

NEW OILS.-September 6, 1904,

Reduction, .

356.0 319.3 36.7

I.H.P. 868.8

786.1

82.7

Counts spun. The Mill consider the class of work done to be slightly in favor of a reduction in Power.

Temperature and Relative Humidity.

Average Readings from Four Spinning Rooms.

Mill Oils, Jan. 26, 27, 1604,

New Oils, Sept. 6, 7, 1904, .

Temperature,
Degrees Fahr.

80.8
83.5

Temperature slightly in favor of a Reduction in Power.
Relative Humidity against a Reduction in Power.

Average Temperature.

Frame No. 17 (speeded up between tests.)

Relative Humidity.

Per Cent.

59.4

60.6

The speed of the spindles show an increase of 291 R. P. M.

Speeds During Test.
(Including No. 18 Frame).

to Friction Degree Fahr,

15.4
10.2

5.2 degrees Fahr.

Proportion of Engine to Spindle Speed.

MILL OILS.-Revolutions of Spindle to 1 R. P. M. of Engine,
Revolutions of Spindle to 1 R. P. M. of Engine,

NEW OILS.

Difference of Averages 23.3 H.P. or 1.6 per cent on Average of Test.

All New Oils.

1906.

Wednesday, January 17,
Thursday, January 18,

1,391.9 1,341.8 192
1,393.4 1,326.4 192 1,354.I 67.0
1,358.7

1,363.3

50.1

3.7

4.9

Difference of Averages 9.2 H.P. or 0.7 per cent. on Average of Test.

Variation in

H. P.

Variation per cent. on aver

age of day.

.

Variation per

cent, on average of day.

R.P.M.

1.78 1.85

.07

All New Oils.

1906.

Average

H. P.

Difference of Averages 35.7 H.P. or 10.0 per cent. on Average of Test.

Average
H. P.

Difference of Averages 16.7 H.P. or 4.8 per cent. on Average of Test.

Work.

Variation in

Counts spun. The Mill directors consider there will be no difference in power owing to this item.

Temperature slightly in favor of a Reduction in Power.
Relative Humidity slightly against a Reduction in Power.

Result.

Relative Humidity

Per Cent.

34.8 38.5

Full Mill Load.

NEW OILS and one Mill Oil.

Average of April 5, 6, 1905, • ALL NEW OILS. Average of January 17, 18, 1906,

Reduction, .

or 4.9 per cent.

Variation in

H. P.

Variation per

cent, on aver

age of test.

Engine and Transmission.

NEW OILS. Average of April 5, 6, 1905,

or 2.5 per cent. (Representing the improvement after nine months use
of the New Oils).

357.9 348.9

9.0

36.7 H.P. or 10.3 per cent.

46.0 H.P. or 8.9

61.8 H.P. or 10.7

144.5 H.P. or 10.6

66

Engine - Pollitt and Wigzell, Sowerby Bridge, 1895. - Horizontal Tandem Compound, 17" and 32" x 4' stroke. Steam Pressure 100 lbs. 76 R. P. M. Developing about 350 I. H. P.

Machinery Operated— Wool Washing and Cleaning Machines, Fans for drying. Willow; Rolls for white wool; Washers, Fans and Rolls for colored. Cards, Gill Boxes, Preparing Frames and Cap Spinning Frames. Doubling Frames and Ball Winders.

4 days. 4 indicators. 8oo indicator cards. 5 operators.

New Oils.

First Test.

Full Mill Load.

Difference of Averages 14.8 H.P. or 4.2 per cent. on Average of Test.

Variation per

cent, on aver

age of day.

346.6
305.4 160
359.3 303.9
160

Difference of Averages 8.4 H.P. or 2.5 per cent. on Average of Test.

Engine and Transmission Load.

The tests of Engine and Transmission taken during the first test were found to be higher than the load usually credited to this item. An investigation was made and it was found that during these trials some drying fans in the dyehouse had been in operation. The Engine and Transmission tests were therefore repeated, great care being exercised that only the Transmission was running. The same precaution was taken during the second test.

Difference of Averages 1.3 H.P. or 1.2 per cent. on Average of Test.

Variation per cent, on aver

age of day.