Recently published, a new downloadable Ebook on the commercial pinfire revolvers.
You will find the downloading page here: http://www.hlebooks.com/ebook/pinreven.htm

Many other ebooks on various firearms are available here : http://hlebooks.com

Content of the ebook :

Dismounting an open-frame pinfire revolver (I)
- Generalities about pinfire revolvers
- Removal of the ejection rod
- Removal of the barrel

Dismounting an open-frame pinfire revolver (II)
- Removal of the cylinder
- Dismounting of the loading gate
- Removal of the trigger guard and trigger spring
- Removal of the cylinder arbor and friction spring

Dismounting an open-frame pinfire revolver (III)
- Access to the mainspring
- Dismounting of the hammer
- Dismounting of the trigger assembly
- Reassembly tips

Functioning of an open-frame pinfire revolver
- Cartridge loading
- Vintage 9mm pinfire cartridges
- Firing in double action mode
- Firing in single action mode
- Cylinder rotation
- Cylinder stop
- Front and rear sight
- No safety system available

Open-frame pinfire revolver of large caliber
- Various types of 12mm pinfire cartridges
- Structural flaw of the open-frame design
- Removal of the mainspring

Innovative open-frame pinfire revolver by Maurice Arendt (I)
- Loading gate of unusual design
- Hammer with narrow head
- Unusual cylinder stop abutments
- Safety lever on the front grip strap

Innovative open-frame pinfire revolver by Maurice Arendt (II)
- Unusual cylinder arbor leaf spring
- Counterbored chambers
- Dual ignition system
- Functioning of the Arendt grip safety
- Other safety by Maurice Arendt

First step toward the solid-frame construction
- Semi solid-frame pinfire revolver
- Dismounting of the barrel
- Protecting shield
- Integral front and rear sights
- Top strap integral with the barrel

Solid-frame pinfire revolver in 7mm caliber
- Design without pivoting loading gate
- Dismounting of the cylinder
- Internal mechanism
- Eugène Lefaucheux folding trigger

Modified solid-frame pinfire revolver of English design (I)
- Initially fitted with longer barrel and grip
- Dismounting of the ejector rod
- Dismounting of the cylinder
- Access to the mainspring
- Adams construction of the grip

Modified solid-frame pinfire revolver of English design (II)
- Dismounting of the hammer and safety
- Dismounting of the trigger assembly
- Dismounting of the V shaped mainspring

Modified solid-frame pinfire revolver of English design (III)
- The hammer safety explained
- Detailed functioning of the hammer safety
- Other models with the same type of safety

Current prices of pinfire civilian revolvers

How to revive your vintage pinfire handguns

Looks interesting. The author should also consider creating some Mac compatible ebooks. And shouldn't this go into the book section of AR as well? Or maybe the blackpowder section?