n be, placed on the same piece of motors used in town industries upon spring foundations having been mooted in Industries, Mr. Robert H. an especial value. They are all, with scarcely an ex- paper. Fig. 1 shows such a piece of paper, and one of Smith, of the Mason College, Birmingham, writes to its… … such a situation for the spring cushion would- There is much which we have not the space to EXFERIMENT IN FEBSISTENCE OF VISION. be a permanent one; and therefore rubber would add, but perhaps enough has already been said to not be a suitable material of which to make it, because awaken the…
Patents · Water · Munn · Wheel · Scientific American · Feet · Sheet metal · Sewing machine · Horse power · Circuit court · Inch telescope · Gear wheel · Electric lighting · Letters patent · Indicated horse
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from Optical illusions of motion [electronic resource] (1882)](https://img.insideoutlibrary.com/img/200/ia-b21642710-16-0.webp)
