Of course, the parent company, through its earnest efforts to afford the operating companies every serviceable improvement, was indirectly responsible for this unavoidable variance in subscriber-equipment. And while modifications in form and improvement in workmanship were not patentable,
In commenting on the trouble caused by defective telephone cords, the Committee on Telephone Supplies reported at the fourth convention (1882) that
In 1883, Mr. C. N. Fay said:
In one way it was encouraging to the owners of the pioneer local plants to perceive how rapidly the list of subscribers increased. In