The Craftmans Shop > Backyard Ballistics
Color Case Hardening
rleete:
Urine (both human and animal) has been used in tanning leathers and other processes for thousands of years. Ammonia is a critical component of many processes, and they didn't have large chemical plants to make it.
The only reason we don't still use piss is because the ammonia content varies, and it's better to add a specified amount for tighter control.
Fergus OMore:
No interest? Ah, well
Jonny:
Very interested Fegus, to be honest i have heard first hand from my old gaffer and his dad, jobs were pissed on. No one knows for sure and cant prove it works or not.
Funny though. Maybe its time for using this smile :worthless:
Fergus OMore:
Sorry no pictures of 'The Phantom Piddler strikes again' but someone could find the bit in 'Clochemerle' But this is not the British film version but the earlier French one!
M Le Maire et Moi DO suffer the same problem. ( Dammit, it's the New Year and time for a laugh)
But seriously, all that one is doing peeing on steel is adding hardening carbons and nitrates-- and creating a helluva stink.
Last night, there was a severe gale. No shed etc and I was confined to British TV. Not bad, a series on a trio of comedians and one visits the old Nantucket light vessel! Off topic? Not really, if one recalls 'Moby Dick' and the tempering of harpoons-- in the harpooners' blood.
'Call me Ismael. I alone am left' and it was Christmas when they set sail.
Happy New Year
airstream:
i have done a bit of colour case hardening, my findings are wood charcoal was not much good, bone and leather charcoal was best and gave the best colours, but it smells like your burning some ones body when making it :bugeye:. here is a link to some i have done, i will try and find some more pics http://www.isp-airrifles.com/page8.htm
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