A few free camera repair and service manuals :)
Actually its <$0.01
after checkout, an download link will be sent to your email box 🙂  Just tried it out.
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Free Mamiya C220 Repair / Service Manual
Free Canon A-1 Service / Repair Manual
Free Nikon D700 Repair Service Manual
Free Rolleiflex 3.5 Repair Manual
Free Repair Service Manual for Leica M-Series
Free Repair Service Manual for Canon Speedlite 580EX II Flash
Loading Film into Rolleiflex
Rolleiflex 3.5 E2
Rolleiflex Automat
Another Rolleiflex 2.8
Rolleiflex 2.8E
And finally, the awesome Rolleiflex 2.8F
TLRgraphy 