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File:Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended (1923) (18741233234).jpg

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Title: Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended ..
Identifier: annualreportofco2324unit (find matches)
Year: 1924 (1920s)
Authors: United States. Bureau of Fisheries
Subjects: Fisheries
Publisher: Washington : G. P. O.
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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Text Appearing Before Image:
104 U, S. BUEEAU OF FISHEEIES. AQUARIUM CLEANER. The principle of the jet aerator may be successfully applied to a device for cleaning aquaria, as shown in Figure 3. It is necessary to use only a small amount of air in order to force waste material from the bottom of the aquarium to a receptacle on the outside. In fact, the air maj' be regulated so as to remove sand and gravel from the bottom of the aquarium. It is obvious that the lower end or intake should be provided with means for preventing the en- trance of pebbles too large to pass through the outlet.
Text Appearing After Image:
Khi. o. - Aquarhim cleaner operated by air prest>ure in the .same manner as Figure 2. COST OF DISTRIBUTION. During the fiscal year 1923 the bureau honored 10,939 applica- tions for fish, as compared with 10,376 in 1922. The following table gives comparative figures showing the cost of distribution for the fiscal years 1922 and 1923 : Number miles traveled. Number of appli- Cost of distribu- tion. • Cars. Messen- gers. cations honored. 1922 -- 77,128 80,118 306,215 345,387 10,376 10,939 $62,428. 96 1923 58, 751. 71 During the past 20 years the output of the bureau's hatcheries has increased nearly 500 per cent, while the cost per thousand for trans- porting fish has been reduced 50 per cent during this period. In order to bring about this important reduction in distribution cost at a time when the cost of transportation, material, and supplies was

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https://www.flickr.com/photos/internetarchivebookimages/18741233234/

Author Internet Archive Book Images
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Volume
InfoField
1923
Flickr tags
InfoField
  • bookid:annualreportofco2324unit
  • bookyear:1924
  • bookdecade:1920
  • bookcentury:1900
  • bookauthor:United_States_Bureau_of_Fisheries
  • booksubject:Fisheries
  • bookpublisher:Washington_G_P_O_
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:830
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
2 July 2015

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current01:03, 20 September 2015Thumbnail for version as of 01:03, 20 September 20151,640 × 1,130 (272 KB)Fæ (talk | contribs)== {{int:filedesc}} == {{subst:chc}} {{information |description={{en|1=<br> '''Title''': Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended ..<br> '''Identifier''': annualreportofco2324unit ([https://c...

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