Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 23
VAN NOSTRAND'S ENGINEERING MAGAZINE. CONTINUOUS INDICATOR By MESSES. ASHTON AND STOREY. … gether by hoops, the charges for the tion of the city of London for city improve- whole being contained in a movable ments. breech-piece, and the barrels can be dis- charged singly or together by a turn of The scientific departments at the Royal the hand. The " machine" has been found Arsenal have…
Engineering
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