. Electric Railway Review . o Wind auf agiven großen Magneten wäre ausreichend Grund für seine Verwendung eventif seine Isolierung nicht überlegen Seide oder Baumwolle Abdeckung. NEUE AUTOS FÜR NORTHERN INDIANA. Die Methode der Isolierung von Magnetdraht durch die Verwendung einer einzigen oder doppelten Abdeckung aus Seide oder Baumwolle hat viele ernsthafte Nachteile, vor allem bei den kleineren Größen. Im Fall von Baumwolle erhält die Chicago South Bend & Northern Indiana RailwayCompany 10 große zwischenstädtische Personenwagen des in der nebenstehenden Abbildung gezeigten Typs. Die TerreHaute Indianapolis & Eastern Traction Company ist ebenfalls Re-Ceivi

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. Electric railway review . o wind on agiven sized magnet would be sufficient reason for its use evenif its insulation were not superior to silk or cotton covering. NEW CARS FOR NORTHERN INDIANA. The method of insulating magnet wire by using a singleor double covering of silk or cotton has many serious draw-backs, especially with the smaller sizes. In the case of cotton The Chicago South Bend & Northern Indiana RailwayCompany is receiving 10 large interurban passenger cars ofthe type shown in the accompanying illustration. The TerreHaute Indianapolis & Eastern Traction Company also is re-ceiving 1.5 cars of the same general description. All of thesecars are being furnished by the Cincinnati Car Company ofCincinnati, O. Following are the general dimensions of the cars: Length over bumpers 61 ft. 6 in. Length over vestibules 60 ft. 2 in. Center to center of bolsters 38 ft. 6 in. Height of car from rail to under side of sill 3 ft. 7 in. Height of car from bottom of sill to top of roof sheath-ing 9 ft. 6 in.. Interurban Cars for Northern Indiana. and to a less extent silk the space occupied by the insulationin comparison with the copper is a serious factor which in-creases rapidly as the size of the wire diminishes, thus reduc-ing the effectiveness of the magnet winding. When cottonor silk insulation is dry it is a non-conductor, but in a moistatmosphere there is considerable leakage which is liable to putthe magnets completely out of service. Numerous attempts have been made to develop an insula-tion which would afford a continuous, tough, elastic film uponthe wire having a high dielectric strength and at the sametime be as thin as possible. The insulation should be able tostand the ordinary handling which magnet wire must undergoin manufacturing operations, but it should be permanent andinert to as great a degree as possible toward changes andconditions which are met in practice, such as increase intemperature and conditions of high atmospheric humidity; beable to res

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• bookcentury1900
• bookdecade1900
• booksubjectstreetr
• bookyear1906