and upon which tral Railroad, said, at the recent meeting of the are marked two axes at right angles, and so ar- Car and Locomotive Painters' Association, that in ranged that the horizontal axis of the mirror and preparing iron for tanks it should be rolled and that of the pinule form a plane… … iron. Mr. F. W. Wright said poss'ble to perform the fol- Fig. 3.-N0RMAL OBSERVATION. Fig. 3. OBSERVATION BY REFLECTION, that the rust could be re- lowing operations : Measure horizontal angles and lay off distances; measure ver- moved from both steel and iron tanks by rubbing with withstood the…
Exhibit · Apparatus · Valve · Munn · Adapted · Scientific American · Cross piece · Columbian exposition · Horse power · Live steam · Street railway · Electric railway · Live stock · Sewing machine · Brush electric
Internet Archive · Public domain (published before 1931). Free to use for anything.
