| Show demand for bircer dynaka Dy professor thomson in g before the national electric light association called to mind the great work in the electrical field which has been accomplished in the last few years and referring to the ever increasing business and the call for larger machines said that dynamos ap to to 1000 horse power are now frequently called for where a few years ago it was thought an thing to speak of a or horse power machine and the tendency is toward machines of anch larger capacity in future electric installations with regard to heating our houses by electricity professor thomson thought it not at all likely that wo will ever heat extensively by electricity unless we can find some way of converting the energy of coal into electricity far more directly nd less wastefully than ia done in steam engines of the present day boston transcript |
