Pamphlets on Biology Volume 302; Kofoid Collection by Books Group
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Author: Books Group
Number of Pages: 146 pages
Published Date: 12 Feb 2012
Publisher: General Books
Publication Country: Miami Fl, United States
Language: English
Format: Pdf
ISBN: 9781235708749
File size: 36 Mb
File Name: Pamphlets.on.Biology.Volume.302;.Kofoid.Collection.pdf
Download Link: Pamphlets on Biology Volume 302; Kofoid Collection
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 Excerpt: ... VII. SPRAYING APPARATUS. PUMPS. The spread of injurious insect pests in the past few years has caused the invention and improvement of a great many spraying apparatus. The following are the most approved pumps used in the State: The Climax No. 1 (Fig. 33) is a very neat machine. It is used a great deal by small growers. It consists of a tank made of heavy galvanized iron, is oval in shape, and will hold eight gallons of liquid. It is provided with a handle for convenience in carrying, and on the reverse side is a notch for placing the foot for the purpose of holding it down while in use. In this tank is securely fitted a double action pump, made entirely of brass. A fine copper strainer at the bottom prevents sediments from passing up and chocking the spray nozzle. The hollow piston rod, combined with the check valve at the bottom of the C3Tlinder, makes a strong, steady flow, the air in the hollow piston acting as a cushion. Owing to the great lifting and forcing power obtained, the pumping movement is very slow. The different parts of the pump being brass, there is nothing to corrode by the use of strong washes. The Fountain pump, or Hydronettef (Fig. 34), is also a very good apparatus, and can be used for various purposes. It is especially good for spraying trees infested with insect pests in close quarters. This pump is made of brass with a rubber hose attached for suction. The pump has two brass cylinders fitting one into the other, and works on the principle of a syringe. Mr. A. Block, the extensive orchardist of R. S. Chapman. IS California Street, San Francisco. tWoodin & Little, 312 Market Street, San Francisco; Holbrook, Merrill & Stetson. San Francisco. Santa Clara, has a number of these in use and prefers them to large pumps. Figs. 35, 36, and ...
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