Author Topic: Meyer-Photogrammetry egr  (Read 1016 times)

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Meyer-Photogrammetry egr
« on: March 27, 2011, 21:38:58 pm »
pix below
 
Assuming 24 inches on center 2x4s  for scale

argument 696:390::24:<val>
13.4
 
About a foot square
 
« Last Edit: April 23, 2011, 11:53:29 am by jim miller »