Darn close frosty. It's the little guns that make the 6" Model 19 at the top look so big. Under that is a Model 30-1 3" .32, and across from that, a 1905 HE like you guessed. Of course you were right on the 442 and the Mod 36.
The other new gun was the K series 22/32 Kit gun, model of 1953. A pre-17