When you dis-assemble a Smith you want to make sure both hammers are cocked first- When you dis-assemble a Parker, assuming you can freely remove the forearm and barrels with the gun cocked, I use a block of soft pine on the breech face and let each hammer down against that- also a good way to determine depth of firing pin indent into a primer when live firing.
The barrel lug hook must be clean and free of crud, also the cocking side and the protruding pin at front of the receiver must move back and forth freely.
Jerry, another good idea is to code the three floor plate screws so that you re-assemble them in the same order.
As far as a 'field strip in the dark"- I'm not so sure in my case-- long time since we stripped and then re-assembled the M1 Garands wearing blindfolds.
I like all the light I can get on my gun workbench and shop area, sign of old age I guess.
Smiths, Parkers, Fox guns-
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