Partially complete haemometer, or blood cell counting apparatus. Some black rubber tubes are damaged, black plastic tubular case with glass pipette inside.

By Hermann Sahli

Early 20th century

Partially complete haemometer, or blood cell counting apparatus. Some black rubber tubes are damaged, black plastic tubular case with glass pipette inside.

By Spencer Lens Co

Buffalo, Germany

Haemacytometer or blood cell counting apparatus incomplete set, only the lens is in the case with broken black hose like material

E. Leitz