BAIR-D &TATLOCK (LOM)ON) LTD. 



HORIZONTAL AND VERTICAL CAMERA WITH MICROSCOPE, IN THE VERTICAL POSITION 



(About i's Full Size). 



(Sx) Support for the optical bench ; (L) source of light ; (S) collective lens with iris diaphragm ; (C) light-filter 

 carrier on saddle stand : (Ml microscope ; (K) sliding stop and clamps for fixing the stays. The position of the 

 camera when investigating the specimens is shown in outline. 



1175 . 



1 175' The Horizontal and Vertical Camera, with one double dark slide for plates 21 by 21 cm. ; 

 two focussing screens and two camera fronts, one of the latter fitted for light-tight con- 

 nection with the microscope. Bellows extension about i m. Rod of the camera stiffened 

 by two stays. To stand on any steady table about z\ m. in length, or two shorter tables 

 of equal height . . . . . . . . . . . . . . ..900 



1176 T Double Dark Slide for 21 by 21 cm. only, without carriers for intermediate sizes of 

 plates 



18 



1177 T Plate Carriers for intermediate sizes of plates, as required .. .. .. each 1 



1178 1 Repeating Back for making exposure scales or photographs in varied adjustment, also 

 suitable for stereograms. Largest size of plate 21 by 21 cm., without carriers for inter- 

 mediate sizes of plates . . . . . . . . . . . . . . ..20 



1179 T Focussing Lens, magnification by 6 .. .. .. .. .. .. 16 



1180 T Optical Bench, i m. long, to connect with the sole-plate of the camera .. .. 10 



1181 1 Focussing Mount for photographic objectives, to screw on to the second camera front 12 



ICHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



