The 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- TIME-INDICATING: NIGHT LAMP. ~ tions in theory required by the unlooked for physiological and two vertical glass tubes rising therefrom. ‘The lamp burner is placed on the top of one of these tubes, and the other contains a float, and has…
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![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)
