Volume 21, Issue 533supp
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Features
Design for a Monument, by Klotz
Roman Carpentry
Harlow Vicarage, Essex
Artificial Gems
The Micrometer Threads and Wires of Astronomical Telescopes
The Astronomer Royal of Ireland
The Pandiscope, or Lantern Sketcher, and the “Presto” Photographic Slide Carrier
Amount of Horse Power used in Propelling Street Cars
Sibley College Lectures.—IV
The Permissible Strain upon Brickwork
Tin
Progress of the Telegraph in China
Detection of Adulteration of Olive Oil
A Theory of the Connection between the Crystal Form and the Atom Composition of Chemical Compounds
Stunning and Burn by an Electric Lamp
Sight for the Blind
Fire-Proof Individuals
The Story of Biela's Comet
A Lecture Delivered March 9, 1874, at the Sheffield Scientific School of Yale College*