This may or may not help you - From Jenks "History of S&W." These will cover every .32 and .38 DA and SH made up to 1890.

.32 DA
1st Model 1-30 (1880)
2nd Model 31-22172 (1880-82)
3rd Model 22178(sic)-43405 (1882-83)
4th Model 43406-282999 (1883-1909)

.38 DA
1st Model 1-4000 (1880)
2nd Model 4001-119000 (1880-84)
3rd Model 119001-322700 (1884-95)

.32 Safety Hammerless (SH)
1st Model 1-91417 (1888-1902)

.38 Safety Hammerless (SH)
1st Model 1-5250 (1886-87)
2nd Model 5251-42483 (1887-90)