title: Retrofit designs for small bench-type blood cell counters.
abstract: This paper describes several retrofit designs to correct operational problems associated with small bench-type blood cell counters. Replacement electronic circuits as well as modifications to the vacuum systems are discussed.
authors.affiliation: Elect. Eng. Dept., Univ. of WY, Laramie.
authors.forename: C D
authors.initials: CD
authors.lastname: Ferris
mesh_terms: D001772:Blood Cell Count / Q000295:instrumentation*; D004581:Electronics; D004867:Equipment Design