Y"n-MW tfMÊm. Aftrr Fort y years' %SiÊrA y (WTllirlH c ¦'!¦- ¦¦ m the JU ¦jmjjjj prep&ratíon of mora Kl than Ono Hundreil nl Thouaand applications for patent m ¦2J H the Unit mi Ktats und Forcien coun. KI ¦ tries, the publiwhers af tho Setpntirio 1V American continuo toact as fifiïici tor for patenta, cav natst, trado-markii. copyíhmh riRhts, etc, for the United Nut.-, nu 1 to obtaiD patflntfl ín Canada, Englitmt, Franoe, Uermini, and all other ooaatrwt Theirexperience is uoequaled and thutr facilitica aro uusurpaaaed. Drawintanrl npecifieations preparod and flied in the Pateot Office on short noiici'. Tvrmi viy raonablff. No chargp for examinatiou uf luodels OT drawinKS. Adrice by mail f ree. PatentBobtainodthrougti MunnAOo.aronoticed iQtheSCIKXTIKH' AMKIUCAN, which ha tbs largeat circulation and in the mosl intluontial newipapr of ita kind published in the world. The advantages of uch a notice every pateotea understanda. Thii lar and BnTondidly illuRtratrd newspaper lipablishnd WEKKLY at $3.00 a year, and is adinittd to be the best paper devoted to ocience. mftchanics, i n vent ion s, engineerinK works, and other departments of industrial procreas, published in any country. It contains the ttamea of all patenteea and t it Ie of every tnvention patented ach week. Try it four luooths for ooe dollar, bold by all newsdeaiers. If you have, an invention to patent vrrite tu Munn & Co., nublisliers of Scieutific American, KI Broadway, New York. i Uaaaouuk about pateuts malled fret. 4 AyCDTIOCD or othors,who wish to cvamin W ¦ "11 I IwblIO thi paper, or obtam estimate on adverting pace when in Chicago, will fmd it on filo at 4s 1049 Rsndoipn iui non p Tiinucc thoAdvertiwngAgencyut LUHU tt I II U In Ad ¦ THIS T¦ ¦¦ IV I ni tall ïtowELi. & Cos Kcwspapcr AiH-ertising Bureau (10 Spruoo Btreet),wherenlvcr. ¦¦¦¦¦¦ lffim tUln(foontrnctinav MWW V fililí he made rui It Ui 11b fff I Uil IV. Bet pur Prtóini at the Conrier.