Scientific American, Volum 82Munn & Company, 1916 |
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Side 7
... surfaces correspondingly ribbed by the pres- sure of the shells . " These experiments indicate that the aim of the arti ficial pearl maker should be to impress on the surface of the glass bead a " trellis " or " lattice " of correspond ...
... surfaces correspondingly ribbed by the pres- sure of the shells . " These experiments indicate that the aim of the arti ficial pearl maker should be to impress on the surface of the glass bead a " trellis " or " lattice " of correspond ...
Side 9
... surface in contact with the glass be- comes smooth and highly glazed . The use of sawdust as a constituent of clay bodies that are burned into brick or tile is also of some im- portance . During the burning the sawdust is consumed ...
... surface in contact with the glass be- comes smooth and highly glazed . The use of sawdust as a constituent of clay bodies that are burned into brick or tile is also of some im- portance . During the burning the sawdust is consumed ...
Side 11
... surface to the rear or too large a rudder and by not enough fin surface above the center of gravity . A proper adjustment is easily obtained without sacrifice of desir- able flying properties . Aeroplane S has a small rudder and wing ...
... surface to the rear or too large a rudder and by not enough fin surface above the center of gravity . A proper adjustment is easily obtained without sacrifice of desir- able flying properties . Aeroplane S has a small rudder and wing ...
Side 12
... surface radiates light in only one direction . These direc- tions being symmetrical about an axis , there is produced a shadow on the screen of the picture on the slide , which is inverted ; i . e . , top becomes bottom and right ...
... surface radiates light in only one direction . These direc- tions being symmetrical about an axis , there is produced a shadow on the screen of the picture on the slide , which is inverted ; i . e . , top becomes bottom and right ...
Side 14
... surface illumi- nated , multiplied by the area of the lens , and divided by the square of the distance from the screen . Hence , to secure good results with an opaque projector , bring the whole apparatus close to the screen , use a ...
... surface illumi- nated , multiplied by the area of the lens , and divided by the square of the distance from the screen . Hence , to secure good results with an opaque projector , bring the whole apparatus close to the screen , use a ...
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