All posts by Richard Johnston

Collins Maxi Modular Lung Analyzer with Maxi Survey Computer, circa 1978

Maxi Modular Lung Analyzer with the Maxi Survey Computer system.  Computer came with 8K of memory and a teletype unit.   Programs were loaded using punched paper tape.  Video display and floppy disk memory unit were optional extras.  From ‘Collins’ Catalog of Pulmonary Function Testing Instruments”, undated by likely from around 1978, page 1-26.