These are sometimes also called Farriers’ Cutting Hammers. The smallest sizes are used by Joiners’ to drive brads and finishing nails without smashing fingers by using the pein.
Below is the page describing these hammers from the 2003 M-WTCA reprint of the 1904 Henry Cheney Hammer Company Catalog.
Here are a No. 134 (2 lbs.), No. 136 (1 lb. 8 oz.), No. 138 (1 lb.), and No. 139 (8 oz.). All have original handles. The handle on the No. 136 is slightly twisted. The handle on the No. 138 has a distinct banana-like curve.
The table below lists measurements to assist in the identification of unmarked hammers. Undoubtedly there is a fair amount of variation, but these should provide some guidance.
Catalog No. | Head Weight | Face Diameter (including bezel) | Head Length (face to pein) |
---|---|---|---|
134 | 32oz. | 1 9/16" | 5 3/16" |
135 | 28oz. | 1 1/2" | 4 3/4" |
136 | 24oz. | 1 3/8" | 4 1/2" |
137 | 20oz. | 1 5/16??? | 4 1/4??? |
138 | 16oz. | 1 1/4" | 4" |
139 | 8oz. | 1" | 3 1/4" |