[8] See _Journal of Gas Lighting_, Vol. XXXII., p. 423, and Vol. XXXVI., p. 376.
-----------------------------------+----------------------------------- | AT 0·5-INCH | AT 1·0-INCH | AT 1·5-INCH | PRESSURE. | PRESSURE. | PRESSURE. -------+----+-----+-------+--------+-------+----+-----+-------+-------- No. |No. |Cubic|Illumi-|Illumi- |No. |No. |Cubic|Illumi-|Illumi- of |of |Feet |nating |nating |of |of |Feet |nating |nating Burner.|Top.|per |Power. |Power |Burner.|Top.|per |Power. |Power | |Hour.| |per Five| | |Hour.| |per Five | | | |Cub. Ft.| | | | |Cub. Ft. -------+----+-----+-------+--------+-------+----+-----+-------+-------- 2 | 2 | 1·20| 5·07 | 24·13 | 2 | 2 | 1·40| 5·25 | 18·75 2 | 3 | 1·40| 6·64 | 23·71 | 2 | 3 | 1·95| 7·37 | 18·90 2 | 4 | -- | Smokes| -- | 2 | 4 | 2·30| 10·33 | 22·46 2 | 5 | -- | " | -- | 2 | 5 | 2·40| 11·24 | 23·42 2 | 6 | -- | " | -- | 2 | 6 | -- | Smokes| -- -------+----+-----+-------+--------+-------+----+-----+-------+-------- 2-1/2 | 2 | 1·40| 5·53| 19·75 | 2-1/2 | 2 | 1·90| 8·30 | 21·84 2-1/2 | 3 | 1·70| 8·48| 24·94 | 2-1/2 | 3 | 2·30| 10·14 | 22·04 2-1/2 | 4 | 2·03| 10·33| 25·49 | 2-1/2 | 4 | 2·70| 12·08 | 22·37 2-1/2 | 5 | -- | Smokes| -- | 2-1/2 | 5 | 2·85| 14·29 | 25·07 2-1/2 | 6 | -- | " | -- | 2-1/2 | 6 | 3·00| 15·21 | 25·35 -------+----+-----+-------+--------+-------+----+-----+-------+-------- 3 | 2 | 1·45| 6·27| 21·62 | 3 | 2 | 2·00| 8·48 | 21·20 3 | 3 | 1·90| 8·66| 22·79 | 3 | 3 | 2·40| 11·34 | 23·63 3 | 4 | 2·13| 11·24| 26·39 | 3 | 4 | 2·80| 14·84 | 26·50 3 | 5 | -- | Smokes| -- | 3 | 5 | 3·15| 17·04 | 27·20 3 | 6 | -- | " | -- | 3 | 6 | 3·25| 18·07 | 27·80 -------+----+-----+-------+--------+-------+----+-----+-------+-------- 3-1/2 | 2 | 1·50| 5·81| 19·36 | 3-1/2 | 2 | 2·12| 8·85 | 20·87 3-1/2 | 3 | 1·95| 8·30| 21·28 | 3-1/2 | 3 | 2·55| 12·63 | 24·76 3-1/2 | 4 | 2·55| 12·08| 23·68 | 3-1/2 | 4 | 3·00| 14·47 | 26·12 3-1/2 | 5 | 2·80| 14·38| 25·68 | 3-1/2 | 5 | 3·50| 18·07 | 25·81 3-1/2 | 6 | 3·00| 15·58| 25·97 | 3-1/2 | 6 | 3·60| 19·45 | 27·01 -------+----+-----+-------+--------+-------+----+-----+-------+-------- 4 | 2 | 1·60| 6·36| 19·87 | 4 | 2 | 2·30| 9·77 | 21·24 4 | 3 | 2·10| 10·69| 25·45 | 4 | 3 | 2·90| 13·83 | 23·84 4 | 4 | 2·65| 13·37| 25·23 | 4 | 4 | 3·30| 17·06 | 25·85 4 | 5 | 3·45| 17·61| 25·52 | 4 | 5 | 4·10| 21·57 | 26·30 4 | 6 | 3·55| 18·07| 25·45 | 4 | 6 | 4·20| 22·40 | 26·66 -------+----+-----+-------+--------+-------+----+-----+-------+-------- 5 | 2 | 1·77| 7·38| 20·85 | 5 | 2 | 2·60| 9·68 | 18·81 5 | 3 | 2·30| 11·90| 25·87 | 5 | 3 | 3·30| 13·64 | 20·67 5 | 4 | 3·30| 15·40| 23·33 | 5 | 4 | 4·00| 19·91 | 24·14 5 | 5 | 4·10| 20·74| 25·29 | 5 | 5 | 5·00| 25·36 | 25·36 5 | 6 | 4·30| 22·68| 26·37 | 5 | 6 | 5·30| 27·66 | 26·10 -------+----+-----+-------+--------+-------+----+-----+-------+--------