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Engineers' club of Philadelphia
286
Society Proeeedings.
[.lo.r. l~r~.k.In,t,
E n g i n e e r s ' Club of P h i l a d e l p h i a . - - A t the meeting of the club held Feb. 16th, Mr. Charles A. Ashburner read a paper' on the " O i l Sands of Pennsylvania," in which he gave an outline of their distribution over the State, together with their geological position, charaeter, etc. The percentage of risk of obtaining " d r y holes," which the producers ex.perienced in the different districts, was referred to, and the statement made that the risk is greater in the southern and western districts and least in the northernmit being only about three per cent. in the latter. Specimens of the sands and crude oils exhibited, added to the interest in the paper. Mr. Gee. H. Christian followed with a paper on the "Lowe Gas Process," giving a description of the apparatus, and the chemical changes which the material undergoes in the course of manufacture, together with an estimate of the first cost and maintenance of the plant. The paper was illustrated by a large sectional drawing and a general view of the new gas-works at Lancaster, Pennsylvania. "At the meeting held March 2d, twenty-two members were present. Mr. Rudolph Herring read a paper on the " Sewerage of Philadelphia," in which he gave an outline of our system of house and street drainage, and he pointed out "some of the defects, together with their remedies, which, if not securing a complete immunity from disease, would remove a powerful agency fol- evil," and concludes that " t h e whole subject, especially the house drainage, needs sincere and early attention and study. But more than that, it needs action." A paper by Prof. L. M. Haupt, on the " South Street Bridge," was next read. :From data obtained from the office of the City Engineer, he estimates the pressure on the piles forming the foundations for the piers of the western approach to be about 36 tons to each pile having an average diameter of 10 inches. These piles "were driven through and into a soft mud inundated at every tide; the pressure placed upon them was in excess of their bearing power in such soil, and the cause of the fall of the structure." Mr. Gee. Burnham gave a general description of the masonry work of the bridge, and presented a plan which he believed could have saved a portion of it. The subject was discussed by a large number of members. t See page 225, this volume.
Society Proeeedings.
[.lo.r. l~r~.k.In,t,
E n g i n e e r s ' Club of P h i l a d e l p h i a . - - A t the meeting of the club held Feb. 16th, Mr. Charles A. Ashburner read a paper' on the " O i l Sands of Pennsylvania," in which he gave an outline of their distribution over the State, together with their geological position, charaeter, etc. The percentage of risk of obtaining " d r y holes," which the producers ex.perienced in the different districts, was referred to, and the statement made that the risk is greater in the southern and western districts and least in the northernmit being only about three per cent. in the latter. Specimens of the sands and crude oils exhibited, added to the interest in the paper. Mr. Gee. H. Christian followed with a paper on the "Lowe Gas Process," giving a description of the apparatus, and the chemical changes which the material undergoes in the course of manufacture, together with an estimate of the first cost and maintenance of the plant. The paper was illustrated by a large sectional drawing and a general view of the new gas-works at Lancaster, Pennsylvania. "At the meeting held March 2d, twenty-two members were present. Mr. Rudolph Herring read a paper on the " Sewerage of Philadelphia," in which he gave an outline of our system of house and street drainage, and he pointed out "some of the defects, together with their remedies, which, if not securing a complete immunity from disease, would remove a powerful agency fol- evil," and concludes that " t h e whole subject, especially the house drainage, needs sincere and early attention and study. But more than that, it needs action." A paper by Prof. L. M. Haupt, on the " South Street Bridge," was next read. :From data obtained from the office of the City Engineer, he estimates the pressure on the piles forming the foundations for the piers of the western approach to be about 36 tons to each pile having an average diameter of 10 inches. These piles "were driven through and into a soft mud inundated at every tide; the pressure placed upon them was in excess of their bearing power in such soil, and the cause of the fall of the structure." Mr. Gee. Burnham gave a general description of the masonry work of the bridge, and presented a plan which he believed could have saved a portion of it. The subject was discussed by a large number of members. t See page 225, this volume.