raictKhh-ofr*rt?n*Nothing wan saidAutomobile Ctnnon,Dr. Mxlb discovered that a mac hint fTUn could be made to art automat h-atly That la. that the recoil of th»- weuj-Ti could be uaed to repeat the fire Indeft nltely. ^me French moo then w ent to work and designed a device by mean* of which a carriage* could be made to progress with speed and smoothness without horse* Major Hoy* al P Davidson of the Illinois National Guard, commandant at Northwestern military academy, ha* put two and two together and decided that a cannon could tie mounted on an aut.iroobiH carriage and made to do effective wer-vice.Major Davidson has progressed m fai j with his Idea says the New York Jour*PSaRbusl«,ts8IIitfe* 7 Inai, that he has mentally fashioned two armored gun carriages which mayidinida19f1.* IdIn time revolutionise methods in hand* ling small machine guns and heavier field artillery That the Idea will work satisfactor! I y over smooth streets in cities and be a va.li a Me adjunct In h up-pressing riots if beyond doubt; whether It will work as well across country and taking In all kinds of ground remainsto be demonstrated £** many things must be thought of In designing such a carriage that Major Davidson frankly says he Is by no means out of the woods Th* carriage mum le light, that with th. j ptec** mounted and four men aboard th* motive power can I** generated in th* machine Electricity as a m*«tur wuabandoned by M iJ-t Davidson almost as ao.-n im suggested The mot* r to blt; use-1 will be gasoline, compressed ail or naphtha The sucri-s* of th* latter with water craft has recently Inspire the young inventor with th** belief thfv K Is suitable t«* his purpose*The main difficulty will I* lo seruna fiower strong enough t-lt; mlt;-v« thrheavy armored vehi' ii nv**r all klndr ■f bad ground. The automobile ear riag*-s in u**e operated by . l*H'tri« itj have [»wrer rd sufficient to run th* carriages with from four to eight per •win* as a Pvnd. Compressed air ha* dJmost no limit in power but is some what limited In speed. Speed 1* ai * nt iai in handling a battery.It 1* the purp ?• of MaJ Dvldpoti t**Jsg;i»., '-v**rland to New- York in case he 4neeive* ,t gun properly mounted irtime. He r *j,e. ts to train a company nf his cadets from the- Northw-sterr military* acaih-my !o handle thr gun an lt;art tag*- He says he w i ll need at least |VkO such guns t*efor* he can jd\ * the matter a fair test. These he wiy take across the country to New York1t‘jJ1