Patented in 1910 by William G. Potter, these presses have reciprocating beds and stationary carriages. They were made by A.F. Wanner & Co. until 1914 when it was reorganized as Horace Hacker & Co. In 1931, Challenge Machinery acquired the Poco and Potter brands.
The No. 0 has no grippers or inking assembly. The Nos. 1 and 2 have paper grippers, while the No. 3 has grippers and an inking assembly. No sources for parts are known. Any parts needed will have to be fabricated. Some owners of Potter-proof presses who could be of help are listed in the Potter census.
|Model||Manufacturer(s)||Roller Dia.||Paper Size||Bed Size||Fl. Space||Wt (lbs.)|
|No. 0||A.F. Wanner||N/A||11 × 24|
|No. 1||A.F. Wanner||N/A||10 × 25|
|No. 1||Hacker, Challenge-Potter||N/A||12 × 25||12⅞ × 26||33 × 73||6001|
|No. 2||A.F. Wanner||2¼||16¼ × 25|
|No. 2||Hacker, Challenge-Potter||2¼||17 × 25||17¼ × 26||38 × 73||8001|
|No. 3||A.F. Wanner||2¼||25 × 32|
|No. 3||Hacker, Challenge-Potter||2¼||25 × 25||25 × 28||46 × 73||14502|
1. Add 40 lbs. for Nos. 1 and 2 feed board attachments.
2. Add 60 lbs. for No. 3 feed board attachment.
1910-14: Potter and Poco brands were patented in 1910 by Walter G. Potter, of whom little is known. Manufactured by A. F. Wanner Co. Chicago, IL.
1914: the company is renamed Horace Hacker Co., later Hacker Manufacturing.
1923: Some Potters have badges that say “Made for American Type Founders Co.”. ATF introduced “The American Cut Cost System” in their now famous 1923 specimen book. The system featured a comprehensive, customizable plant workflow program with an “American Cut Cost System” branded product line developed by ATF’s “efficiency engineers.” Its component on composing rooms included the Chicago-built Potter proof press then made by Hacker Mfg.
1931: the Potter and Poco brands were acquired by Challenge Machinery and rebranded as “Challenge-Potter” and “Challenge-Poco.”
Potter models: No. 0 No. 1 No. 2 No. 3
Poco models: No. 0 No. 1 No. 2
1912 ATF Catalog p.1184
1923 ATF Specimen p.927.
1935 ATF Machinery and Equipment Catalog p. F-11, F-13.
See also: Poco website: http://sites.google.com/site/pocoproofpress/
Vandercookpress.info is not legally affiliated with any owner of the names Challenge, Challenge Machinery Corp., Hacker, Potter, Poco or Vandercook.