STRAW.

Two compositions of straw (as a fuel) is as follows:

Water, 14 per cent.

Combustible matter, 79 „

Ash, 7 „

Maxims and Instructions for the Boiler Room Useful to Engineers, Firemen & Mechanics; Relating to Steam Generators, Pumps, Appliances, Steam Heating, Practical Plumbing, etc. · 第 14 / 328 题