This image is a derivative work of the following images: File:Haskell_USP241978_1881_01_09.jpg licensed with PD-US-patent 2009-07-11T13:47:41Z Chriusha 4961x2362...
DescriptionHaskell USP241978 1881 01 09.jpg English: Drawing of the U.S. patent specification 241 978 from 24 May 1881. Cannon working on the multi-charge...
