Keywords: FMIB 47522 Equipment of McDonald automatic tidal boxes, for hatching cod, Boothbay Harbor, Me Shows boxes lifted out of troughs and bottom.jpeg check categories 19 August 2015 4 Equipment of McDonald automatic tidal boxes for hatching cod Boothbay Harbor Me Shows boxes lifted out of troughs and bottom upward on farther tables The bottom is of scrim and by means of cleats is held 1 1/2 inches above the bottom of the trough at the center By an arrangement of partitions at the head of the trough the eggs receive the supply of water through the scrim bottoms of the boxes also through a small hole in one end of the box The distinctive feature of the apparatus whence it is called 'tidal ' is the automatic siphon outflow by menas of which the water is alternately drawn down and replenished Standpipe with siphon cap is shown near troughs; waste trough below Subject Fish hatcheries--Equipment and supplies Boothbay Harbor Maine Geographic Subject United States--Maine--Boothbay Harbor 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 LXXXVIII-23 Creator John Wheelock Titcomb PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 47522 Images from the Freshwater and Marine Image Bank to check John Wheelock Titcomb Fishing equipment Boothbay Harbor Maine Fish hatcheries |