Fischer & Porter Company. (1975). Tri-Flat Variable area flowmeter: Iow flow rate indicators. Fischer & Porter Company.
Chicago Style (17th ed.) CitationFischer & Porter Company. Tri-Flat Variable Area Flowmeter: Iow Flow Rate Indicators. Pennsylvania: Fischer & Porter Company, 1975.
MLA (8th ed.) CitationFischer & Porter Company. Tri-Flat Variable Area Flowmeter: Iow Flow Rate Indicators. Fischer & Porter Company, 1975.
Warning: These citations may not always be 100% accurate.