• Acetylene lighting systems 

        Contributor:Colorado Agricultural College
        Date:1927-02-02
        Six different styles of lamps, 3 with 1 light, 2 with 2, and 1 with 4, hang in a small room; at left is a 3-burner stove; on a table in the center is a hand-iron on a base; diagrams and instructions for the lamps are on ...