. The Street railway journal . C^^ti Ground Line FIG. 3.—SIDE BRACKET POLE. FIG. 4.—CENTER POLE. FIG. 2.—COMBINED TELEGRAPH ANDRAILWAY POLE. ten years the management and control of the business has been inthe hands of the following officers: Andrew Wheeler, president,Jonathan Rollins, vice-president, William R. Mcllvaine, treasurer,H. Cheston Vansant, secretary. These gentlemen, together withStephen P. M. Tasker, T. Wistar Brown, and a representation ofthe Charles Wheeler estate constitute the board of directors and theentire ownership of the corporation. In the matter of poles for the support
. The Street railway journal . C^^ti Ground Line FIG. 3.—SIDE BRACKET POLE. FIG. 4.—CENTER POLE. FIG. 2.—COMBINED TELEGRAPH ANDRAILWAY POLE. ten years the management and control of the business has been inthe hands of the following officers: Andrew Wheeler, president,Jonathan Rollins, vice-president, William R. Mcllvaine, treasurer,H. Cheston Vansant, secretary. These gentlemen, together withStephen P. M. Tasker, T. Wistar Brown, and a representation ofthe Charles Wheeler estate constitute the board of directors and theentire ownership of the corporation. In the matter of poles for the support of wires, lamps, feedersand other electric work, the past few years have taught many veryimportant and costly lessons. Theory indicates that the strongest form in which material canbe placed to resist strains from all directions, the point of supportbeing at a distance from the plane in which the forces act, is that ofa tapering tube, cylindrical in cross section and having walls gradu-ally diminishing in thickness as t
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884