US Schermack Control Perfins
Perfin Image
Cover
Number of Holes
9
Missing Pins
4-5
City
NY
Company
Hammacher Schlemmer Co.
1906 Series 314
1906 Series 320
1908 Series 343
1908 Series 344
88
1908 Series 345
1908 Series 346
1911 Series 383
4
1911 Series 384
49
1912 Series 408
1912 Series 409
Total Count
141
Total Count On Cover
11
Earliest Usage
3/15/1910
Latest Usage
7/28/1911
Comments
Hammacher Schlemmer Co. was a hardware supply company. Still in operation today.