246 HUMANE TREATMENT OF ANIMALS USED IN RESEARCH 
Illustration K 
A cabinet catch (steel, zinc plated, cat. No. 37, Stanley Hardware) ; B, body (wood 
1” nom.) ; C, clip (brass) ; D, screw eye (steel) ; E, plate (copper) ; F, wing nut 
(stainless steel) ; O, yoke and bar (stainless steel) ; H, drawer (plexiglass, 
thick) ; K, tray (stainless steel frame and copper screening). 
