| gas | | | | | Lenoir (1885) |Carburet- | 4·15 | 2·7 ” | ·65 ” | 4·5 |Tresca | ted air | | (petroleum) | | | Benz (1885) | Coal gas | 5·1 | 3600 litres| 707 ” | 1·4 | ” Atkinson (1888) | ” | 9·48 | 6000 ” | 618 ” | 1·3 |Society | | | | | | of Arts Crossley(1888) | ” | 14·74 |10,800 ” | 765 ” | 1·5 | ” ” Griffin (1888) | ” | 12·51 | 9500 ” | 786 ” | 1·5 | ” ” Charon (1889) | ” | 4·17 | 2210 ” | 530 ” | 1·1 |Witz Forest (1890) |Petroleum | 16·67 | 7 kilg. 400 | 458 grms. | 3 |Martin | spirit | | | | | Niel (1891) | Coal gas | 3·75 | 1250 ” | 402 litres| ·8 |Witz Simplex (1889) | Poor gas | 75 |191 cub. met.| 2370 ” | ·7 | ” ” (1893) | ” |220 |110 kilg. | 500 grms. | ·3 |Leblan | | |(anthracite) | | | Lenoir (1891) | Coal gas | 6 | 4260 | 710 litres| 1·5 |Lencauchez Charon (1892) | ” | 7·5 | 4380 | 586 ” | 1·2 |Chauveau Priestman (1890)| Daylight | 7·7 | 3 kilg. | 385 grms. | 1·7 |Unwin | oil | | | | | ” (1891)|Russoline | 6·7 | 2 kilg. 700 | 428 ” | 1·9 | ” Crossley (1892) | Dowson |148 | 415 kilg. | 280 ” | ·2 |Dowson | gas | |(anthracite) | | | Atkinson (1892) | ” | 16·7 | 6·6 kilg. | 455 ” | ·3 |Tomlinson Schleicher-Schum| Poor gas | 92 | 55 ” | 596 ” | ·32 |Spanglon Trusty |Petroleum | 4·3 | 1·83 ” | 440 ” | 2·2 |Beaumont |(ordinary)| | | | | Delamare- |Lencauchez| 62 | 37 ” | 603 ” | ·2 |Bourdon Deboutteville | gas | | |(cheap coal)| | (1894) | | | | | | Campbell (1895) |Petroleum | 6 | 2·4 ” | 400 grms. | 2·5 | ” |(ordinary)| | | | | ----------------+----------+-------+-------------+------------+------+---------- The price of fuel has been calculated from prices current at the dates given. CHAPTER VIII MAINTENANCE OF GAS AND OIL ENGINES