Page:Report from the Select Committee on Steam Carriages.pdf/69



Mr. G. Garney. 3 August, 1831.  proper situation; the moment he is thrown off his seat, by accident or otherwise, the Engine instantly stops. Does that depend upon the guide's weight?-No; it is by his foot he keeps the valves down, and the effect on the Carriage when he takes it off is very singular; I merely mention that fact in connection with the practical detail and safety of the Carriage, the same contrivance, by simply lifting the foot, prevents the Carriage running down hill too quickly, and we do not require the complicated drags that were before used. 



you the proprietor of a Steam Carriage running on a turnpike road?—Yes.

How long have you been running that Steam Carriage?—I dare say about a twelve month this present coach, but I have been working for hire on the road only a month.

Are you the inventor of that particular description of Engine that you make use of?—Yes.

Will you state the progress which you have made in the improvement of your Steam Carriage?—The principal improvement I consider is in the boiler, that of constructing the boiler much lighter than any that are now in use.

Will you be kind enough to give a general outline of your plan?- There are flat chambers which are placed side by side, the chambers being about two inches thick, and there is a space between each two inches; there are ten chambers, and there are ten flues, and under the flues there is six square feet of fire, which is the dimension of the boiler top and bottom; the chambers are filled from half full to two, thirds with water, and the other third is left for steam, there is a communication quite through the series of chambers top and bottom; this communication is formed by means of two large bolts, which screw all, the chambers together, the bottom bolts the bottom part of the chambers, and the top bolts the top part of the chambers, and by releasing those bolts at any