An updated revolver family pic.
From the top, clockwise:
Reproduction 1858 Remington .44 blackpowder
German pinfire revolver, 7mm, 1870s
Hopkins and Allen #2 Ranger, .32 rimfire, 1870s
Smith & Wesson Model 1-1/2, .32 rimfire, 1860s
Smith & Wesson Model 2 double action breaktop, .38 S&W, 1882
Colt New Army Model, .38 Colt, 1898. Aftermarket pearl grips.
1916 Smith Second Model Hand Ejector, originally .455 Eley for the Brits, re-chambered in .45 Colt, refinished and with Pachmayr grips
Colt Army Special, .38 Special, 1913
Colt Police Positive, .32 S&W Long, 1914
S&W Military and Police Model 1905, .32-20, 1906
Nagant Revolver, Tula Arsenal, USSR, 7.62 Nagant, 1922
Unbranded Spanish .38 Special, Smith copy, 1920s
Taurus Model 817 snub .38 Special, 2006
Guns change facing here, still going clockwise
Ruger Security Six, .357 Magnum, 1994
Enfield break top, .38-200 (How the Brits call .38S&W), 1953
Smith & Wesson Regulation Police, .32 Long, 1917
Colt Cobra, .32 long, 1957
Colt Police Positive, .38 Special, 1923
Smith & Wesson Model 1917 US Army, .45 ACP, 1917
S&W M&P 2nd Model, pearl grips by Wolf and Klar, 1929
S&W 2nd Model .38 S&W, refinished, 1880
S&W 2nd Model .38 S&W 6", 1880s, for spare parts
Hopkins and Allen XL #4, .38 Rimfire, 1871. Ivory grips.
Allen and Wheelock sidehammer .22 short, 1858
ORIGINAL Remington Model 1863 (1858 patent), Army .44 percussion revolver
middle:
Sedgley Baby Hammerless .22 short--matched pair
And unmarked Spanish knockoff of same.