" "Light the gas-heater up there, if you expect me to come to bed.

You and Ham and Ford and Frank go to the yacht, quick as you can, and bring the spirit-heater, lamp and all, and bread and milk, and every dry napkin and towel you can find.

This has been effected by employing heaters respectively 10 inches and 20 inches in diameter.

The water, when it enters the heater, is as cold as when it left the tank, but the steam which surrounds the pipes has lost but little of its heat, and by the time the water passes through the coil of pipes it is heated to nearly boiling point and can be introduced into the boiler with little tendency to reduce the steam.

The mean result of repeated trials, all differing but slightly, show that the energy of the direct solar rays acting on the polygonal reflector is reduced 0.235 before reaching the heater.

I have had a good cool way through the fields, and in the highway to Ratcliffe stands a heater.