Iver Johnson safety revolvers

Dismounting of the safety automatic "Hammerless" revolver (I)
- Dismounting of the cylinder
- Disassembling of the cylinder's components
Dismounting of the safety automatic "Hammerless" revolver (II)
- Dismounting of the barrel assembly
- Disassembly of the hinge components
- Re-assembly tip
- Dismounting of the barrel latch
- Dismounting of the cylinder arbor tension spring
Dismounting of the safety automatic "Hammerless" revolver (III)
- Dismounting of the grip plates and main spring
- Dismounting of the frame cover and hammer
- Re-assembly tip
- Dismounting of the trigger guard
Dismounting of the safety automatic "Hammerless" revolver (IV)
- Dismounting of the trigger spring
- Dismounting of the trigger assembly
- Dismounting of the firing pin
Functioning of the safety automatic "Hammerless" revolver (I)
- The frame locking principle
- Automatic ejection of the cartridges
- Detailed functioning of the extractor cam
Functioning of the safety automatic "Hammerless" revolver (II)
- Functioning of the trigger safety
- Functioning of the trigger assembly
- Lifting of the hammer
- Instant of firing
- Cylinder stop
Early production of the top break safety automatic revolver
- Iver Johnson enterprise
- J. P. Lovell Arms Co.
- First Model of the "Hammerless" Safety Automatic line
- Markings and serial numbers
- Serial numbers by year (large and small frame Hammer & Hammerless)
- A. Fyrberg cylinder retainer
Safety automatic revolvers of the second model
- Particulars of the second model
- Serial numbers by year large frame Hammer & Hammerless
- Serial numbers by year small frame Hammer & Hammerless
- Serial number location
- Address and patent markings location
- Address and patent changes
Safety automatic revolvers of the third model
- Upgrade to smokeless powder
- Most visible changes
- Mechanical changes
- Serial numbers by year large frame Hammer & Hammerless
- Serial numbers by year small frame Hammer & Hammerless
- Address and patent markings location
- Address and patent changes
Functioning of the third model safety automatic "Hammer" revolver
- Functioning of the new cylinder stop
- Firing in single action mode with the Hammer model
- Firing in double action mode with the Hammer model
The safety automatic revolver in caliber .22 RF
- Mechanical differences
- Serial numbers by year
- Optional accessories for the safety automatic revolver line
- Charles C. Bourne Knuckleduster
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Reloading of .32 & .38 S&W black powder cartridges