Proceedings of the Lake Superior Mining Institute ... Annual Meeting, Volúmenes11-14;Volúmenes1905-1909 |
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Página 10
... operated by the Oliver Iron Mining Co. , Mr. O. C. David- son , general superintendent . It was first opened in 1879 . Reference is here made to an experience with water in sinking Hamilton shaft , as described in a paper by Mr. James ...
... operated by the Oliver Iron Mining Co. , Mr. O. C. David- son , general superintendent . It was first opened in 1879 . Reference is here made to an experience with water in sinking Hamilton shaft , as described in a paper by Mr. James ...
Página 12
... operated by another company before coming into the hands of its present owners . The large amount of new work at this property indicates that the com- pany have faith in the ore deposits so far disclosed , and the prospects of other ...
... operated by another company before coming into the hands of its present owners . The large amount of new work at this property indicates that the com- pany have faith in the ore deposits so far disclosed , and the prospects of other ...
Página 18
... operated by the Republic Iron & Steel com- pany , and mining is carried on only during the season of navi- gation . As the ore is hoisted into the shaft house it passes through the crushers before being run into the ore cars , the ...
... operated by the Republic Iron & Steel com- pany , and mining is carried on only during the season of navi- gation . As the ore is hoisted into the shaft house it passes through the crushers before being run into the ore cars , the ...
Página 28
... operated under what is known as the Wellhouse Process . The ingredients used are chloride of zinc , glue and tannin ... operate the plant . " The train carried the party to the dock where they boarded the steamer Maywood for an excursion ...
... operated under what is known as the Wellhouse Process . The ingredients used are chloride of zinc , glue and tannin ... operate the plant . " The train carried the party to the dock where they boarded the steamer Maywood for an excursion ...
Página 29
... operated for four years and seven months , at the end of which period the fires were banked . Fol- lowing the suspension of over 17 months the drafts were opened and the plant was put in blast without rebuilding the fires or removing ...
... operated for four years and seven months , at the end of which period the fires were banked . Fol- lowing the suspension of over 17 months the drafts were opened and the plant was put in blast without rebuilding the fires or removing ...
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Términos y frases comunes
Allouez amygdaloid beaker boil boiler calcium Calumet & Hecla carbonate CHARLES Chicago Cleveland coal conglomerate copper country Crystal Falls cylinder deposits depth DETERMINATION dilute dissolved district drill Duluth electric engine epidote Escanaba evaporate F. W. Denton feet filter flask GEORGE grams greenstone Hancock heat Hibbing hoisting Houghton hydrate hydrochloric acid Ills Institute Iron Mountain Iron River Ironwood Ishpeming JAMES JOHN Kearsarge Keweenaw Lake Superior Lake Superior Mining lode Marquette Menominee Mesabi Mesabi range method Michigan mill Milwaukee mineral mining companies Minn molybdic Negaunee nitric acid Oliver Iron Mining operated oxide Painesdale paper permanganate phosphorus plant potassium pounds precipitate pressure pump rock salt sample shaft silica sodium solution stannous chloride steam steel sulphate superintendent surface THOMAS timber tion titrate tons Total solids trough turbine UNIV Vermilion Ranges Vulcan wash weigh William Kelly York City
Pasajes populares
Página 96 - Dissolve the residue in a little water to which a few drops of hydrochloric acid have been added.
Página 188 - The term of office shall continue until the adjournment of the meeting at which their successors are elected. Vacancies in the Council, whether by death, resignation, or the failure for one year to attend the Council meetings, or to perform the duties of the office, shall be filled by the appointment of the Council, and any person so appointed shall hold office for the...
Página xi - Institute are to promote the arts and sciences connected with the economical production of the useful minerals and metals in the Lake Superior region, and the welfare of those employed in these industries, by means of meetings for social intercourse, by excursions, and by the reading and discussion of practical and professional papers, and to circulate, by means of publications among its members the information thus obtained.
Página vi - The duties of all Officers shall be such as usually pertain to their offices, or may be delegated to them by the Council.
Página 117 - ... bells, ready to shoot in the shaft. (See rule 3.) Engineer's signal, that he is ready to hoist, is to raise the bucket or cage two feet and lower it again. (See Rule 3.) Levels shall be designated and inserted in notice hereinafter mentioned.
Página 118 - Miners must then give the signal of " men to be hoisted," then "spit fuse," get into the bucket, and give the signal to hoist. Rule 4. All timbers, tools, etc., "longer than the depth of the bucket," to be hoisted or lowered, must be securely lashed at the upper end to the cable.
Página xii - VicePresident or Manager shall be eligible for immediate re-election to the same office at the expiration of the term for which he was elected.
Página 119 - Rule 2 — No person must get off or on the bucket or cage, while the same is in motion. When men are to be hoisted give the signal for men. Men must then get on bucket or cage, then give the signal to hoist.
Página 119 - California, shall be responsible for accidents that may happen to men disobeying the above rules and signals. Said notice and rules shall be signed by the person or superintendent having charge of the mine, who shall designate the name of the corporation or the owner of the mine.
Página 117 - For the purpose of enforcing and properly understanding the above code of signals, the following rules are hereby established: RULE 1. In giving signals make strokes on bell at regular intervals. The bar ( ) must take the same time as for one stroke of the bell, and no more. If timber, tools, the foreman, bucket, or cage are wanted to stop at any level in the mine, signal, by number of strokes on the bell, the number of the level first before giving the signal for timber, tools, etc. Time between...