the weather on
the day they were made. The same boat was run for 10 miles around the
measured mile buoys in Stokes Bay. The following are some of the results
recorded:

_Table F.--Report of Trials of Engines of H.M. 48 ft.
Twin Screw Steam Pinnace, No. 110._

Date August 4, 1881.

Where tried Round the Isle of
Wight

Draught of water / Forward 3 ft. 1/2 in.
\ Aft 3 ft. 61/2 in.
Average boiler pressure 104.81 lb.
Average pressure in receivers / Starboard 16.27 "
\ Port 16.54 "
Mean air pressure in stokehold 1.4 in. water.
Vacuum in condenser, average 26.72 in.
Weather barometer 30.37 "
Revolutions per minute / Starboard 240.75
\ Port 251.95
lb.
Mean pressure in cylinders / Starboard / High 45.33
| \ Low 16.16
\ Port / High 43.16
\ Low 15.3
Indicated horse-power / Starboard / High 18.20
| \ Low 16.32
| Port / High 18.13
| \ Low 16.17
\ Collective Total 68.82
Speed by log 10.18 knots.
Force of wind One.
Sea Smooth.
Quantity of coal on board 1 ton.
Description Nixon's navigation.
Consumption per indicated horse-power per hour 4.17 lb.
Time under way 5 hrs. 30 min.

_Table G.--Report of Trial of Engines of H.M. 48 ft. Steam Pinnace No.
110._

When tried August 3, 1881.
Where tried Stokes Bay.
Draught / Forward 3 ft. 1 in.
\ Aft 3 ft. 31/4 in.
Average boiler pressure 55.52 lb.
Va