Remove the magazine, insure that weapon is unloaded by checking the chamber. With pistol pointed in safe direction, pull trigger releasing the firing pin. Use a ballpoint pin and depress the round section at the rear center of the slide. While holding the round section in, raise the rear of the slide, and gently release the round section. Slide the slide forward off the barrel. firing pin and spring can be removed from slide. STOP. Do not take apart any further.
32 ACP
You need a gunsmith.
50-100
You have to push in the firing pin on the back and slide the assembly forward. Once the assembly moves forward the top of the gun should lift off. Be careful, there are lots of small pieces and springs inside.
25-80
Just sold a derringer 25 Davis for $75
25-65 USD or so
When you reassemble the .32 make sure that all springs and small parts are exactly as you found them and when putting the top assembly back on push the firing pin back into the weapon and set down the top assembly. To insure that you have reassembled it correctly, remove the safety and dry fire the weapon.
$50 - $100. These were guns made to be cheap
50-150 USD or so
50-100 USD
You can't.