The SciencesDecember 6, 1913
The Abatement of Locomotive Smoke
Five Methods are Available to Mitigate Existing Conditions
Stories by D. F. Crawford
The SciencesJune 14, 1913
The Elimination of Smoke
The SciencesFebruary 11, 1911
Electric Car Lighting
The Development of a New Branch of Engineering The Yale Scientific Monthly