The Encyclopedia Americana: A Library of Universal Knowledge, Količina 7Americana corporation, 1931 |
Iz vsebine knjige
Zadetki 1–3 od 76
Stran 151
... operation until , by the time the product has reached the boys at the bottom of the chutes , it is pretty well cleaned . The coal is also washed to free it from sulphur . From the chutes the various - sized coal finds its way into bins ...
... operation until , by the time the product has reached the boys at the bottom of the chutes , it is pretty well cleaned . The coal is also washed to free it from sulphur . From the chutes the various - sized coal finds its way into bins ...
Stran 229
... operation and to save the heat radiated from one to another , instead of to the atmosphere . Later , modifications were made in the design of the oven , to improve its thermal efficiency and to cheapen the operation . These gave rise to ...
... operation and to save the heat radiated from one to another , instead of to the atmosphere . Later , modifications were made in the design of the oven , to improve its thermal efficiency and to cheapen the operation . These gave rise to ...
Stran 641
... operation has made comparatively slow progress . A co - operative store in Kingston , Mass . , is said to be the oldest existing experiment on the Rochdale plan . It was organized in 1875 , but its annual trade is small . There were ...
... operation has made comparatively slow progress . A co - operative store in Kingston , Mass . , is said to be the oldest existing experiment on the Rochdale plan . It was organized in 1875 , but its annual trade is small . There were ...
Vsebina
PALMER WALTER | 128 |
PICKERING WILLIAM | 285 |
SEE THOMAS J J Ph D | 361 |
Avtorske pravice | |
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