2l8 



PHOTOGRAPHING WITH THE MICROSCOPE [Ch. VII 



Finally the camera and microscope can be placed on a board plat- 

 form and that put into a shallow box nearly filled with sawdust or 

 dry sea sand. 



Fig. 129. Vertical Microscope and Camera for Photo-micrography. 

 (About j5 natural size). 



T Low table 50 cm. high, 50 cm. wide, and 70 cm. long with leveling screws 

 in the legs {Is) and a drawer with combination lock {cl d). 



M Microscope. 



N Nitrogen-filled mazda lamp of 100 watts in lantern for artificial day- 

 light glass (a); {sc) lampsocket and supply cable. 



VC Vertical camera supported by the revolving rod {vgr) which is gradu- 

 ated in centimeters and half centimeters. The camera may be turned aside 

 as shown by the dotted lines. 



Base The heavy iron base and pillar {p) supporting the revolving rod 

 [vgr), which in turn supports the camera. 



OS Clamping screws to fix the two ends of the camera in any desired 

 position. 



mr Magnification rod. This serves to hold the extension of the camera 

 at the right point for any desired magnification, then the camera as a whole 

 moves up and down on the graduated rod {vgr). 



rs Clamp to fix the camera at any desired extension on the magnification 

 rod {mr). 



fg Focusing glass (§ 334). 



le Light excluder (fig. 133-134). 



