Production Rate Timeline - Rotary Presses

 

Year	Model	impressions  per hour
1846	Hoe Type Revolving Machine - 4 feeder	8000
1853	Early Rotary Press Jeptha A. Wilkenson	36,000
1863	William Bullock The Bullock Perfecting Press	20000
1869	Walter Scott/John Kellberg Improved Bullock Perfecting	40000
1871	Web Fed Rotary Press R. Hoe & Co.	(approx.) 144,000
1882	Double Supplement Rotary R. Hoe & Co.	(approx.) 192,000
1887	Hoe Quadruple Newspaper Press R. Hoe & Co.	(approx.) 384,000
1889	Sextuple Press R. Hoe & Co.	(approx.) 576,000
1895	Octuple Perfecting Press R. Hoe & Co.	(approx.) 768,000

Due to significant increases in production from 1871 forward,  rates were recorded in  "copies per hour".  Translation to "impressions per hour are approximate and based on an average eight page newspaper.

 
 

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