Ludwig's Machine for Felling Trees

1857 Scientific American  
Feats of Fire-arm •• The Crimean war and the recent revolt in the East Indies have given an impetus, in a martial direction, to the inventive talent of a great number of ingenious men, both in the U ni ted States and Europe; and this move ment in military manufactures has resulted in the issue of many patents (especially in this country) for improvements in fire-arms, the majority being of a breech-loading character. On the 17th ult. a Board of experienced military officers was convened at West
more » ... as convened at West Point,
doi:10.1038/scientificamerican09121857-6a fatcat:sllcp5pcovahlcx7okalyjjjce