Читать книгу Maxims and Instructions for the Boiler Room - N. Hawkins - Страница 11
На сайте Литреса книга снята с продажи.
STRAW.
ОглавлениеTable of Contents
| Two compositions of straw (as a fuel) is as follows: | |||
| Water, | 14 | per cent. | |
| Combustible matter, | 79 | „ | |
| Ash, | 7 | „ |
