Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 103
t year, a company was formed, composed largely ofAmerican stockholders, for working this mine. They shipped theirfirst ore in July, 1867, and this year they are moving several thou-sand tons. The mine is above the level of the lake, and they arenow working 200 to 300 feet from it. The ore is taken… … Items and Novelties. 77 and Peterborough railroad; thence it is taken on cars fourteenmiles to Cobourg, where it was transferred to sailing vessels andshipped to furnaces in New York and Pennsylvania. The Madocgold mines are twelve miles east of Lake Marmora. I just sawover forty dollars worth of…
Science · Technology · Meteorology · Patents
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