This is a handy picture, which shows the various parts of a handgun (a revolver in this case) with the names of each part. This is definitely helpful for people who like to go to online forums or to local gunsmiths with firearms parts questions.
Professional Gunsmithing - A Textbook on the Repair and Alteration of Firearms - With Detailed Notes and Suggestions Relative to the Equipment and Operation of a Commercial Gunshop by Walter J. Howe. $7.50. 534 pages. Publisher: Young Press (December 15, 2010)