First, nice cabinet, and like mirroring the others, I too have never heard of collecting old garden hose nozzles. I will however be on the lookout for them. This is New England after all and king of the old and frugal people. Yes we repair houses that split rather then throw them away.
I also implore you to check out "Liberty Tool", a store that would have antique garden nozzles. They have everything else.
I have no intention of traveling from birth to the grave in a manicured and well preserved body; but rather I will skid in sideways, totally beat up, completely worn out, utterly exhausted and jump off my tractor and loudly yell, "Wow, this is what it took to feed a nation!"