File:The complete aquarium book; the care and breeding of goldfish and tropical fishes (1936) (20678283921).jpg

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Title: The complete aquarium book; the care and breeding of goldfish and tropical fishes
Identifier: completeaquarium00inne (find matches)
Year: 1936 (1930s)
Authors: Innes, William T. (William Thornton), 1874-1969
Subjects: Aquariums; Goldfish
Publisher: New York, Halcyon house
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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CONSTRUCTION 115 The third type of pool has concrete vertical sides, and may be used either at ground level or above. Diagram is self-explanatory with the exception of one point. Tropical water lilies should have the crown and
Text Appearing After Image:
CONCRETE^ Fig. 92. Strongly Constructed Concrete Pool Straight sides have some advantages, especially when fishes must be caught in a net. Tender water lilies raise their flowers above the water, which should not be deep. soil about 8 to 10 inches below the surface of the water. The tub only needs to be raised on stones as shown if necessary to make this adjust- ment. Reinforcement is required if anything more than a light frost is possible. Extra reinforcement at all corners is advisable. While giving advice we could well add the suggestion of having the assistance of an experienced concrete worker, or at least a helper with strong arms and back! The base of this pool should be about 6 inches thick and the walls about 5 inches. A slight outward slope to the walls is desirable. It is important that concrete work dry slowly. Protect from the sun with litter. Sprinkle if necessary. Forms may be removed in two days. Finishing coat follows immediately. All concrete pools should have at least six changes of water over a period of two weeks before introducing fishes or plants. This is important. We have seen many amateur-built concrete pools which were off level. This is indeed a sad defect to discover when the first filling with water nears the top. To avoid this embarrassment, attach a good spirit- level to the narrow edge of an ordinary straight board long enough to reach diagonally across corners of pool. Test it between two fixed points that will bring the bubble in the center. Turn board around so that reverse ends will rest on the same points again. If bubble again settles

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Flickr tags
InfoField
  • bookid:completeaquarium00inne
  • bookyear:1936
  • bookdecade:1930
  • bookcentury:1900
  • bookauthor:Innes_William_T_William_Thornton_1874_1969
  • booksubject:Aquariums
  • booksubject:Goldfish
  • bookpublisher:New_York_Halcyon_house
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:123
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
18 August 2015

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Public domain
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/20678283921. It was reviewed on 18 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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current08:30, 18 September 2015Thumbnail for version as of 08:30, 18 September 20151,224 × 758 (199 KB) (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Title''': The complete aquarium book; the care and breeding of goldfish and tropical fishes<br> '''Identifier''': completeaquarium00inne ([https://commons.wikimedia.org/w/in...

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