Estimated Date: 1900
Name: Apparat zur Zahlung Roter and Weisser Blutkorperchen
Manufacturer: Carl Zeiss, Jena
Description: 9.5“x 7“x 2” black box contains counting slide, two small flasks with rubber caps labeled a and b and two very small flasks also a and b, white cell counting pipette, red cell pipette, third measuring pipette, two diluting pipettes and mouthpieces as well as an automatic lancet.
Reference 1: 46