s C are secured at one be placed. On the left side of the chair, but not It has occurred to Mr. M. L. Hinchman, of 175 Grove shown in our illustration, is a matchbox Street, Rutland, Vt., that the best way to detect the and an ash receiver, which may be swung unauthorized opening of letters is to… … automatically registered at intervals, instead of hav- its edges, which are adapted to fit into grooves in the SAFETY ENVELOP. ing to go out and make the observation personally, as body of the car step, thus protecting the interior, he has been compelled to do heretofore. A long cable operative…
Patents · Gun · Sight · Electrical engineering · Horse power · Scientific American · Illustrated catalogue · Great Britain · Water power · Gun captain · Marginal efficiency · Side armor · Sight setter · Alternating current
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from The Modern Priscilla (March 1922) [Incomplete] (1922)](https://img.insideoutlibrary.com/img/200/ia-modern-priscilla-192203-57-0.webp)
