Show machines that are y 1 BE almost human by E C TAYLOR the invisible policeman R n in new york city a 50 arx bill was offered to any per person son who could pick it up without cans causing ing an invisible policeman ko sound an alar alarm m no one got T the he invisible policeman on gu guard ard was iwas fan ray set up at a m leeng of the new york illuminating aaa 1 I festl ng houi bouse ie lamp company CT a T the ie allf was put in a alve foot s afe safe with unlocked red som somewhere ethere athwart the sate pr ably across the door an ultra vl violet ray of light was placed the i ray coul could d be seea hwesi armless s it c could not afelt by the hun human san tou toti cb n a 0 y ITI he ray shone upon a photo e el lee ec trie eye some distance away any anyone one atte attempting to take the 50 bill fr om rom alre safe would Interrupt the cheray th eray ay thereby ther eby casting on unseen shade shadow W upon P the electrical eye herem pon arthe ee wold loudly bai lar alar m 9 caw yi oy Is possible for jewelers dank ers and other custodians to add greatly to the t security of their valuables it can be i made impossible for an to n move about hoiet ja taft 4 ous angl angles es in a room they may oper operate alfr a tei ar gas bari aceret et oft a sll silent ent at n tar lenou gaw of a ha harbor abor in war time with a warn warning ing sign signal al bella flo 0 fia atile policemen nen now stands at t jn springfield Spring fl ald mas mass as tl they icy ms the ro robot bot ahas has no physical contact with the pa pass ss alny automobiles no wires atre stretch aero across ss the road to flash a signal wl when aena a ca car r passes th Than thanteen seen ray ot ls us used cd anen n an bleaka brei aks the ray and the mechanism wit within bin ithee of taft thu cars that have passed tays ts new ew black light IS iulg need imore more anddore an eirten sl vely ely to ekpo expo expose se fraud les arid counterfeit moneys it has bt been een used even litrap bootleggers a atho ahl anak erff of industrial icari i put 5 ve very ry small dose of some flour floure esc scent ent dye dve in theira alcohol dye v will shir shine ae when the unseen ray Is adli dl erected d on ft atno ho matter how much the boot bootlegger egger lad t or othera ise tried to disguise his product A new fever tube giving off n aya raya similar ar to this developed in th e ra did research arch laboratory of the gene general ral elec electric trie company at schenectady N yh Y has as aroused in the mind of its in vent or dr W R whitney director of the laboratory ab oratory the thought that ra radio dlo may eventually be used to heat 1 the room roomers lers instead of the it may her possible ne holds by halt using tot the detec f tube abe ta 6 supply hearl to the of tiomi es and instead P heat heating ing the homes or buildings the rut belve s we beat heat thousands of cu cubic alc feet of spa ceTie asks merely to k keep beep a bo amt maintain sufficient b beat eat in th thel person instead of an excess of ilear 01 r r u lo 10 f d ylda ti fw fever tu bise s off 10 aseen rays 0 of hent heat that pre are absorbed ed by the body upon which tl they ara c directed tut but which are no felt IP n theo the of bohe tui bubp euhl s suggestion ns AS that th IYA 1 IP the 0 a araj ethert rays trays directed across the path f nt grea alty rel tw 0 n o the eft cavar and nr antor effi lo kafter the aben DOT trafis warm wj wedee dee of illi derfla belfa hany 5 11 6 sta rov St 1 that causes moving objects AO yow w down i or appear stall this aught re dembling sem ling bling y bugmann light turned on R wt whirling electric fan caused it aitto look as babes ea abes bes test testa 3 is ja fal itil duj engineer to flad dut out what icausi caused of arpi ane propellers ralpj nugh i rj see s t jacl in cheni wh eni em ctet w yia w rw lie brej in aad 9 show showed ed how to protect propellers app th not 4 s |