Isaac Jenings 'rab phom, tsim los ntawm nws xyoo 1821. Tsis zoo li rab phom tua ib zaug ntawm lub sijhawm ntawd, nws tuaj yeem tua 12 zaug uake - nws muaj kaum lub chav nyob ywj pheej.
12 Jennings Charging Gun, Isaac Jennings 'tsab ntawv yog 12-round phom silicon nrog cov tooj dag thav duab thav duab nrog tus lej lej "No. 1 "nyob rau sab saum toj tiaj tiaj ntawm lub thoob. Cov qauv no yog ua raws cov qauv ua ntej-tso Jennings txhaj tshuaj ib leeg, uas tau tsim tawm txij li xyoo 1818, tab sis suav nrog ntau yam tshiab tshwj xeeb rau qhov riam phom no.
Cov nplooj nplooj zoo nkauj thiab cov pob kws tau sau rau ntawm tus ncej, thiab cov duab xaus nrog cov ntoo zoo li tus ntoo ntoo yooj yim. Cov khoom lag luam yog ua los ntawm tooj liab daj thiab thaum xub thawj muaj cov khoom lag luam oval, kuj zoo ib yam li cov txiv ntseej. Ntawm lub dav hlau sab hauv ntawm pob tw, cov tsiaj ntawv loj "J. B. B. Vignie "Cov.
Nco tseg: Nws tau kwv yees tias lub thav duab thiab pob tw teeb tsa tau siv tsuas yog hauv Isaac Jennings muaj ntawv pov thawj phom, uas tsis tshua muaj nyob hauv Asmeskas cov riam phom sau.
Tom qab daim ntawv patent tau luam tawm thaum Lub Cuaj Hli 22, 1821, Jennings thiab nws tus khub hu ua Ruben Ellis tau kawm txog qhov muaj peev xwm muab nyiaj txiag rau tsoomfwv Meskas nrog ntau rab phom. Lawv cov riam phom hloov pauv tau zoo ib yam siv cov ntoo ntoo ib txwm muaj. Tsib puas nees nkaum ntawm cov phom loj loj no tau tsim rau tsoomfwv los ntawm cov neeg ua lag luam R. Johnson thiab J. Johnson ntawm Middletown, Connecticut xyoo 1829. Thaum tsim tawm, lawv tau tshuaj xyuas los ntawm tsoomfwv cov kws tshuaj xyuas thiab tom qab ntawd xa mus rau New York State cov tub rog, tejzaum nws yuav raug sim hauv tsev. Plaub thiab kaum qhov kev txhaj tshuaj sib txawv tau paub thiab lawv tau raug xaiv lub npe-Ellis-Jennings ntau rab phom silicon.
