Poole Engineering & MacHine Co. v. Swindell

Walter B. Swindell, Charles J. Swindell, and Walter B. Swindell, Jr., co-partners, trading as Swindell Brothers, have for many years been engaged in the manufacture and sale of bottles at their factory at Bayard and Russell Streets in the City of Baltimore.

The process of manufacturing the bottles which they sell consists of reducing certain materials to a mass of molten glass and by means of machinery transforming that mass into bottles of divers sizes and shapes. In the course of it the molten glass is discharged from a feeder, in lumps or gobs approximately uniform in size, into moulds in a…