Camera appts. for photographically testing blood - having plate holder, agglutination plate, screen, optical system, and light source (BE300676)

摘要

Camera appts. for photographically investigating the blood of an individual has a plate holder for holding a transparent agglutination plate, onto which drops of mixts. of testing agents and blood from the individual are placed, light being beamed through the region contg. the plate. The appts also has a screen, an optical system between the plate holder and the screen, and a light source behind the plate holder for projecting an image of the drops via the optical system onto the screen. The camera is arranged relative to the screen so that the screen and the test mixt. are p hotogrpahed simultaneously. Appts. provides excellent portraits of the blood of an individual for diagnostic purposes and is easy to operate and maintain.