Documents, Including Messages and Other Communications, Part 1J. Herr printing Company, 1902 |
Des de l'interior del llibre
Resultats 1 - 5 de 100.
Pàgina 661
... drift opening into the No. 6 seam of coal , which is here from 3 to 10 feet in thickness . It is worked on the double entry system , and is ventilated by exhaust fan . Coal cutting is wrought by machines operated by elec- tricity . One ...
... drift opening into the No. 6 seam of coal , which is here from 3 to 10 feet in thickness . It is worked on the double entry system , and is ventilated by exhaust fan . Coal cutting is wrought by machines operated by elec- tricity . One ...
Pàgina 662
... drift opening into the No. 6 seam , which is here about six feet in thickness . The double entry system is in vogue here , and an exhaust fan furnishes the ventilation . Machines operated by electricity are used to cut the coal , and ...
... drift opening into the No. 6 seam , which is here about six feet in thickness . The double entry system is in vogue here , and an exhaust fan furnishes the ventilation . Machines operated by electricity are used to cut the coal , and ...
Pàgina 663
... opening the cross entries , from which the main entries will be driven north ... drift into the No. 6 seam of coal which is here from six to eight feet in ... drift opening into the No. 6 seam of coal , which is here from six to eight ...
... opening the cross entries , from which the main entries will be driven north ... drift into the No. 6 seam of coal which is here from six to eight feet in ... drift opening into the No. 6 seam of coal , which is here from six to eight ...
Pàgina 664
... drift opening into the No. 6 seam of coal , which is here from three to eight feet in thickness . This is also an extensive mine , worked on the double entry system , and is ventilated with one fan . The coal is cut with machines , and ...
... drift opening into the No. 6 seam of coal , which is here from three to eight feet in thickness . This is also an extensive mine , worked on the double entry system , and is ventilated with one fan . The coal is cut with machines , and ...
Pàgina 665
... drift opening into the No. 6 seam of coal , which is here from three to six feet in thickness . The single entry system is in vogue , and the ventilation is natural pressure . Eighteen miners and three day hands are employed ...
... drift opening into the No. 6 seam of coal , which is here from three to six feet in thickness . The single entry system is in vogue , and the ventilation is natural pressure . Eighteen miners and three day hands are employed ...
Altres edicions - Mostra-ho tot
Frases i termes més freqüents
amount April Athens county August Belmont county Board bonds boss brattices Bros canal Cincinnati City Cleveland Coalton Columbus commissioners CURRENT EXPENSES day hands days as carpenter district double entry plan double entry system dozen drift opening Electric Evans fair condition fall of slate fan ventilation February feet in thickness feet thick filed Franklin county Freight furnace ventilation Groceries Guernsey county hands are employed Hardware Hocking Hocking county hundred injured J. M. SHEETS Jackson county John Labor lands lease located machines Massillon miners MINES EMPLOYING LESS Muskingum county Name of Owner Nelsonville November 15 Ohio Ohio ex rel Owner or Operator P. O. Address Perry county person petition Railroad repairs seam of coal Section shaft opening single entry system slope Stark county superintendent tion Total township Treasury Trustees Tuscarawas Tuscarawas county vein of coal ventilated by means Wages Zanesville