he burner, and may be readily applied by the purchaser to The accompanying engraving represents an ingenious and batten strip is made in sections, one end of each having its lamps already in use. To the slide tube. A, which fits over very simple time-indicating lamp, recently patented by Mr.… … Teulon, in a recent report, calls attention to some modifica- HALL'S T.AMP EXTINGUI8H2B. TIME-INDICATING NIGHT LAMP. tions in theory required by the" unlooked for physiological The invention consists in a reservoir for containing oil, function referred to. Thus as regards the persistence of the…
Patents · Iron · Lamp · Scientific American · Alum · Large number · Gold size · American export · Trade mark · Electric light · Address munn · Export edition · Christian union · San Francisco
Internet Archive · Public domain (published before 1931). Free to use for anything.
![An illustration from Common objects of the microscope [electronic resource] (1900)](https://img.insideoutlibrary.com/img/200/ia-49492157.2969.emory.edu-54-27.webp)
