made of any de- air chambers. The frame is covered with sheet iron, tin, or Copper, A "0171 sired shape and of any suitable material. Its object is to similar suitable material. When both sections are let down, Silver, A.(l) "0193 give an ornamental appearance to pies, cake, or butter, and as… … rr- Faculty of Sciences of Paris, show the results graphically. It was patented December 23, 1873, 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…
Patents · Exhaust · Iron · Zinc · Inches · Inch · Scientific American · Feet · Sewing machine · Port open · Exhaust port · Patent office · Exhaust lap · Open inch · Three quarters · Cylinder exhaust · Piston moved
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