US Schermack Control Perfins
Perfin Image
Cover
Number of Holes
9
Missing Pins
2-5
City
NY
Company
David Williams Co.and related publications
1906 Series 314
1906 Series 320
1908 Series 343
8
1908 Series 344
38
1908 Series 345
1908 Series 346
1911 Series 383
1911 Series 384
1912 Series 408
1912 Series 409
1f
Total Count
47
Total Count On Cover
14
Earliest Usage
1/28/1910
Latest Usage
3/17/1910
Comments
The David Williams Company was a publishing company. Magazines included The Metal Worker and Iron Age. Patterns 2589 and 25789 are later pin versions.