The Popular recreator. A key to in-door and out-door amusements .. (1873)
London, New York [etc.] Cassell, Petter & Galpin · leaf 726
condensers diameter, while, with the four-inch condenser, a quarter of its diameter is stopped out when a three-inch disc is used, and nearly three-eighths of its diameter, as far as the square portion is concerned, when stereographs are employed, and this for the sake of covering or illuminating…
Amusements · Games · Sports
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