Lynde, Carleton John, b. 1872, Gilbert, Alfred C. (Alfred Carlton), 1884-1961 · New Haven, Conn. : A.C. Gilbert Co. · leaf 28
folding doorwayas shown in Fig. 36. Now opposite the door put a stronglamp on a stool, chair, or table, accord-ing to the show (Fig, 37). The audi-ence is in darkness on the other sideof the screen. Show 1. The Dentist. Dentist Fig. 36. A sheet over adoorway- Seated, bell rings, boy comes inwith… … Fig. 37. Showing lamp on a chair 26 GILBERT BOY ENGINEERING
Light · Scientific recreations
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