The Technical World Magazine, Volume 11Technical World Company, 1909 |
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Results 1-5 of 100
Page 8
... feet of lumber still in the trees . The annual growth , at the highest , is not more than forty billion feet . The present annual consumption of lumber in the United States is one hundred billion feet . That leaves 2000 billion feet of ...
... feet of lumber still in the trees . The annual growth , at the highest , is not more than forty billion feet . The present annual consumption of lumber in the United States is one hundred billion feet . That leaves 2000 billion feet of ...
Page 9
sixty billion feet which are taken from the forests each year in excess of the amount restored by growth . Any- body with a stubby lead pencil and a slight knowledge of plain division can arrive at the conclusion that , if present ...
sixty billion feet which are taken from the forests each year in excess of the amount restored by growth . Any- body with a stubby lead pencil and a slight knowledge of plain division can arrive at the conclusion that , if present ...
Page 10
... feet out of every thousand ever is put to a useful purpose - more than two - thirds of the forest crop is Lost in Logging 44 Lost in Seasoning Lost in the Saw Mill 1/2 3 and Fitting 320 feet 言 out of each 1000 are put to actual use ...
... feet out of every thousand ever is put to a useful purpose - more than two - thirds of the forest crop is Lost in Logging 44 Lost in Seasoning Lost in the Saw Mill 1/2 3 and Fitting 320 feet 言 out of each 1000 are put to actual use ...
Page 11
... feet wide , and six to fifteen feet deep . They have appeared in the past four years . 7 solid walls of dead trees killed by the back -. 11.
... feet wide , and six to fifteen feet deep . They have appeared in the past four years . 7 solid walls of dead trees killed by the back -. 11.
Page 26
... feet in depth it would cost GEORG Cha Savannah Brunswick Fear Cedar Key MEXICO ATLANTIC ston ASS OCEAN Halleras something like $ 25,000,000 . It would reduce the dis- tance between New York . and Philadelphia from 247 miles to ninety ...
... feet in depth it would cost GEORG Cha Savannah Brunswick Fear Cedar Key MEXICO ATLANTIC ston ASS OCEAN Halleras something like $ 25,000,000 . It would reduce the dis- tance between New York . and Philadelphia from 247 miles to ninety ...
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