TECHNICAL NOTES
Dec 1, 1983
Revised Technique of Photographic Data Acquisition
Authors: Deane M. Manbeck and Gary ShermanAuthor Affiliations
Publication: Journal of Irrigation and Drainage Engineering
Volume 109, Issue 4
Abstract
A previously reported photographic recording device has been modified to accommodate available equipment and conditions. A battery operated system for tripping the shutter of an automatic advance camera, instead of a mechanical linkage, was developed to obtain daily data from a remotely located anemometer. The system includes a rotating drum recorder with an 8-day clock, a 24-volt DC battery power pack, solenoid plunger, capacitor, and microswitch. Cautionary procedures are described for effective operation of the system. A periscope with magnifying lenses was used to locate the camera enclosure and operating mechanism below the plane of the anemometer cups to minimize their effect on the air flow near the instrument. Specific length dimensions of the periscope to provide clear, readable images of the film negative are presented.
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Reference
1.
Kruse, E. G., Haise, H. R., and Payne, M. L., “Remote Photographic Acquisition of Data,” Journal of the Irrigation and Drainage Division, ASCE, Vol. 96, No. IR4, Proc. Paper 7752, Dec., 1970, pp. 503–507.
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Copyright © 1983 ASCE.
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Published online: Dec 1, 1983
Published in print: Dec 1983
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Deane M. Manbeck
Irrigation and Drainage Engr., Harza Engrg. Co., Chicago, Ill.
Gary Sherman
Agricultural Engrg. Electronic Technician, Univ. of Nebraska, Lincoln, Neb.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.