Collins RS, circa 1983

Collins_RS_1983

The Collins RS was capable of performing spirometry and helium dilution lung volumes. It came with an IBM PC (128K RAM, dual 320K floppy disk drives),  Apple II (64K RAM, dual 5-1/4″ floppy drives) or a dedicated microprocessor controller/calculator (comprehensive keyboard, 40 character line printer, 25K ROM).  Photo is from a sales brochure courtesy of James Sullivan, BA, RPFT, Supervisor, Pulmonary Laboratories, Memorial Sloan Kettering Cancer Center.