amping portion may be made of any de- airchambers. The frame is covered with sheet iron, tin, or Copper Aw ic.teseeees . 0171 0179 90 sired shape and of any suitable material. Its object is to similar suitable material. When both sections are let down, Silver; Az) cet ec ad nwt 0193 -0201 80 give… … Faculty of Sciences of Paris, show the results graphically. It was patented December 23, 1878, through the Scientific an inclination to serve as an awning, the outer section is al- They show that the resistance increases regularly for all American Patent Agency, to Mr. Thomas S. Macomber, of lowed…
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