English: A horizontal closed loop field for a heat pump heat exchanger. A 3-ton slinky loop prior to being covered with soil. The three slinky loops are running out horizontally with three straight lines returning the end of the slinky coil to the heat pump.
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Original upload log
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2006-11-15 01:44 Marktj 448×277× (62925 bytes) Mark Johnson, Slinky Job
2006-11-15 01:34 Marktj 2048×1536× (1212704 bytes) Mark Johnson, Slinky Job.
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copyright status
copyrighted, dedicated to the public domain by copyright holder
copyright license
released into the public domain by the copyright holder
inception
15 November 2006
exposure time
0.01234567901234567901 second
f-number
8
focal length
5.67 millimetre
ISO speed
100
media type
image/jpeg
instance of
photograph
checksum
729a22dc7de2210a1a916bd6f68a3dfae2e4df16
determination method: SHA-1
data size
62,925 byte
height
277 pixel
width
448 pixel
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