A
____________________________________________________________

__________
|                                   |       |                          |
|                                   |       |   Composition of Gases.  |
|                                   |Volume |__________________________|
|          Explosive.               |of Gas |       |     |      |     |
|                                   |formed.|CO_{2}.| CO. |CH_{4}|  N. |
|                                   |       |       |     | &H.  |     |
|___________________________________|_______|_______|_____|_

_____|_____|
|                                   |       |       |     |      |     |
|                                   |       |  Per  | Per | Per  | Per |
|                                   |  c.c. | cent. |cent.|cent. |cent.|
|Gunpowder--                        |       |       |     |      |     |
|  Nitre                   75 parts |       |       |     |      |     |
|  Sulphur                 10  ‘’   | 2,214 |  51.3 |  3.5|  3.5 | 41.7|
|  Charcoal                15  ‘’   |       |       |     |      |     |
|Gelignite--                        |       |       |     |      |     |
|  Nitro-glycerine       56.5 parts |       |       |     |      |     |
|  Nitro-cotton           3.5  ‘’   | 4,980 |  25   |  7  |  ... | 67  |
|  Wood-meal              8.0  ‘’   |       |       |     |      |     |
|  KNO_{3}               32.0  ‘’   |       |       |     |      |     |
|Tonite--                           |       |       |     |      |     |
|  Nitro-Cotton                     | 3,750 |  30   |  8  |  ... | 62  |
|  Barium nitrate                   |       |       |     |      |     |
|Roburite--                         |       |       |     |      |     |
|  Ammonium nitrate,       86 parts |       |       |     |      |     |
|  Di-nitro-chloro-benzol  14  ‘’   | 4,780 |  32   | ... |  ... | 68  |
|Carbonite                          |       |       |     |      |     |
|  Nitro-glycerine         25 parts |       |       |     |      |     |
|  Wood-meal               40  ‘’   | 2,100 |  19   | 15  | 26   | ... |
|  Potas. nitrate          34  ‘’   |       |       |     |      |     |
|___________________________________|_______|_______|_____|_

_____|_____|

B
____________________________________________________________

________
|                          |             |             |             |
|                          |   Original  | Percentage  |    Final    |
|        Explosive.        | Temperature |NH_{4}.NO_{3}| Temperature |
|                          |Co-efficient.|   added.    |Co-efficient.|
|__________________________|_____________|_____________|____

_________|
|                          |             |             |             |
|Nitro-glycerine           |    3,200    |      ...    |     ...     |
|Blasting gelatine         |             |             |             |
|  (8 per cent. gun-cotton)|    3,090    |      88     |    1,493    |
|Dynamite                  |             |             |             |