G. Gilmer Catalog No 26 (Circa 1900)

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CONDENSATEURS CONDENSERS KONDENSATOREN Condensateurs composés de deux len- tilles plan-convexes en verre de I er choix en montures cuivre, entiè- rement démontables. N.-B. — Les lentilles de grand dia- mètre ne peuvent pas être absolument exemptes de petits points ou bulles qui, d’ailleurs, n’influent pas sur la projection. Condensers composed of two lenses piano convex made of lhe best glass in strong brass mount ; the lenses can be easily removed for cleaning or other purposes. N.-B. — Lenses of largcr diameters can not be supplied qui te free from air bubbles which being very small, do not affect the projection. Kondensatoren bestehend aus zwei plankonvexen Linsen aus bestem Glas in slarker Messingfassung, leicht auseinandernehmbar. N.-B. — Linsen von grossem Durch- messer kônnen nicht immer ganz frei von kleinen Luftblasen geliefert werden ; letztere wirken jedoch nicht stôrend auf die Projektion. 110 112 1 1 2 b ' s H? • *4 H 5 116 "7 118 « 19 120 12! 122 123 I23 bi “ 124 123 I2Ô 12Ô A 12 b B , 26 ^ \2b° — 54 —