136 



L. CASELLA'S CATALOGUE 



1622. Stenographic Compound Lens, for portraits, groups, views, and interiors ; 



diameter of front combination 1^-inch., of back ditto 1^-inch. ; 3|-inch. 

 focal length ; this lens has a rack and pinion movement, a set of Waterhouse 

 diaphragms, and works instantaneously . . . 400 



1623. STEBEOGBAPHIC COMPOUND LENS, without rack and pinion . 380 



1624. STEEEOGBAPHIC SINGLE LENS for views, etc., 4^-inch. focal length, l^-inch. 



diameter . . . . . . . 180 



1625. STEEEOGEAPHIC SINGLE LENS, with rack and pinion . . 200 



1626. STEEEOGEAPHIC SINGLE LENS, 6-inch, focal length, l^-inch diameter 180 

 1626*. STEEEOGEAPHIC SINGLE LENS, with rack and pinion . . 200 



1627. PAIE OF STEEEOGEAPHIC SINGLE LENSES of either 



with combined rack motion . . . 



1628. 



1629. 



or 6-inch, focal length, 

 . 440 



THE WILSONIAN," a single lens (for stereo, and 5 by 4-inch views), 6-inch. 

 focal length, 1^-inch diameter .... 2 



THE WILSONIAN," with rack and pinion . . v 2 15 



DALLMEYER'S IMPROVED PHOTOGRAPHIC LENSES. 



PATENT PORTRAIT LENSES (B). QUICK ACTING LENSES. 



1630. No. 2 B Patent LenS; with rack and pinion movement. Diameter of lenses 

 2f inch, and back focus 6 inch. ; especially constructed for carte-de-visite 

 portraits ; distance between subject and lens for a standing figure, 18 feet 



12 



1632. A SET OF WATEBHOUSE DIAPHBAGMS, in case for ditto . '* ' 150 



1633. No. 3 B PATENT LENS, diameter of lenses 3^ inch, and back focus 8 inch. 



especially constructed for the new cabinet portraits ; distance between 

 subject and lens for a standing figure, 18 feet . ; %," 18 10 



1634. A SET OF WATEBHOUSE DIAPHEAGMS, in case for ditto . . 1 10 



1635. No. 4 B PATENT LENS, diameter of lenses 4i-inch, and back focus 12-inches : 



for pictures 8 by 6i-inch. Distance for a cabinet portrait, 25 feet 38 



1636. A SET OF WATEEHOUSE DIAPHEAGMS, in case for ditto . . 200 



1637. PATENT PORTRAIT AND GROUP LENSES (D). 



The prices marked below include a set of Waterhouse central diaphragms, and 

 with the exception of No. 3 D, the lenses are mounted in rigid sittings, i.e., without 

 rack and pinion movement. 



* Distance for a cabinet portrait with No. 3 D 18 feet, with No. 4 D 25 feet. 



