184 The Scientific American. With much greater accuracy and with less liability of Glycerine for Filling Gas-meters. Yerangement than when fed by hand, as in the old We find the following in the American Gas-Light Journal :—‘‘ The recent cold weather which was felt cinnati, Ohio, which will the… … mattress placed on this which exerts a corroding upper frame, thus serv- effect on the meter, and lated by the springs, B, the set of which is deter- | soon wears it out. The price of Messrs. Hartman & | mined by the screws, C; these can be adjusted for | Laist’s glycerine is remarkably low—much…
Internet Archive · Public domain (published before 1931). Free to use for anything.
