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Page 33
Following the machine is a cloud of rock dust , the precious surface binder on which the integrity of the road depends . THIS CAR WAS GOING SEVENTY - FIVE MILES AN HOUR. DESTROYING A STRETCH OF MASSACHUSETTS MACADAM .
Following the machine is a cloud of rock dust , the precious surface binder on which the integrity of the road depends . THIS CAR WAS GOING SEVENTY - FIVE MILES AN HOUR. DESTROYING A STRETCH OF MASSACHUSETTS MACADAM .
Page 95
For one thing , color is bound to exert some influence on the photographic record , so that surfaces in the same plane ... The same beam of light which , when striking a surface at right angles illuminates an area of say one square inch ...
For one thing , color is bound to exert some influence on the photographic record , so that surfaces in the same plane ... The same beam of light which , when striking a surface at right angles illuminates an area of say one square inch ...
Page 359
The heat that is observed in the shafts of mines , the existence of volcanic furnaces , the outpouring of lava upon the surface of the earth , all lead to the belief that , at fifty or sixty miles ' depth , is a molten , liquid ...
The heat that is observed in the shafts of mines , the existence of volcanic furnaces , the outpouring of lava upon the surface of the earth , all lead to the belief that , at fifty or sixty miles ' depth , is a molten , liquid ...
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Contents
MAGAZINE | 586 |
Cover Design LEJAREN HILLER | 591 |
Men of SciencePORTRAITS | 605 |
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