The Technical World Magazine, Volume 7Technical World Company, 1907 |
From inside the book
Results 6-10 of 100
Page 58
... built in New York City by the Rein- forced Cement Construction Company . The span of the longest girders is fifty feet . It was designed for a live load of 150 pounds per square foot . The main girders have a total depth - to the top of ...
... built in New York City by the Rein- forced Cement Construction Company . The span of the longest girders is fifty feet . It was designed for a live load of 150 pounds per square foot . The main girders have a total depth - to the top of ...
Page 61
... built of reinforced con- crete which would unquestionably have shown temperature cracks if they had been built of ordinary masonry , but which , although built for several years long enough for such cracks to have developed - have not ...
... built of reinforced con- crete which would unquestionably have shown temperature cracks if they had been built of ordinary masonry , but which , although built for several years long enough for such cracks to have developed - have not ...
Page 62
... built for many hundreds of years . Some of them have been built by men who probably had no knowledge of the theoretical mechanical principles now used in designing such arches . And yet these men constructed arches of long span which ...
... built for many hundreds of years . Some of them have been built by men who probably had no knowledge of the theoretical mechanical principles now used in designing such arches . And yet these men constructed arches of long span which ...
Page 63
... or frames four and one - fourth inches square , in which the combs are built . Each of these will con- tain a pound of honey . Rows of four each. ( 53 ) BEE - HIVES IN THE SHADE . The trees were planted to protect the apiary from the ...
... or frames four and one - fourth inches square , in which the combs are built . Each of these will con- tain a pound of honey . Rows of four each. ( 53 ) BEE - HIVES IN THE SHADE . The trees were planted to protect the apiary from the ...
Page 64
... built by the bees themselves . The labor expended by the bees in making a pound of wax for comb has been found to equal that which would be required in producing thirty pounds of honey , so the supplying of this foundation to the bees ...
... built by the bees themselves . The labor expended by the bees in making a pound of wax for comb has been found to equal that which would be required in producing thirty pounds of honey , so the supplying of this foundation to the bees ...
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