Keywords: FMIB 47516 Trout-hatching troughs with Merrill aerating cone Shows also tray basket of a pattern used at some trout stations, much deeper.jpeg check categories 19 August 2015 2 Trout-hatching troughs with Merrill aerating cone Shows also tray basket of a pattern used at some trout stations much deeper than ordinary tray intended to hold fry after hatching Left trough with tray removed to show shower of water produced by aerating cone Subject Fish hatcheires--Equipment and supplies Tag Hatcheries 1910 00 Cite book Fish-Cultural Practices in the United States Bureau of Fisheries Titcomb John W Washington DC Government Printing Office 1910 Bulletin of the Bureau of Fisheries vol 28 1908 Part 2 Plate LXXXIII-14 Creator John Wheelock Titcomb PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 47516 Images from the Freshwater and Marine Image Bank to check John Wheelock Titcomb Fish hatcheries |