every house. The movable night lamp, which memory of Hon. Charles E. Dudley, the original gifts road, and more than a mile from the nearest railroad. from Mr. Dudley's widow amounting to $105,000; to operates at an expense of but one cent a night, pre- The horizon is unobstructed in all directions… … Fig. 1. Fig. 2. A ring, A, is fixed to the center of the ceiling diameter, were polished by Branhear, of Alle- Fig. 1.-M0VABLE LAMP FOR STAIRWAY. Fig. 2, -EXPLANATORY of the stairway, and supports a pulley, C. gheny, Pa. The length of this telescope is 15 DIAGRAM. Two cables, kept parallel, run…
Gas · Patents · Air · Munn · Scientific American · Adapted · Largest circulation · Gas motors · Rand drill · Carbonic acid · Nitrous acid · Sewing machine · Storage battery · Horse power · Gas engine
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from [Catalogue] (1908)](https://img.insideoutlibrary.com/img/200/ia-catalogue00demo-72-145.webp)
