US 882555 A
Description (OCR text may contain errors)
StTuci0n which I have roduced iS effective bulbS the bulbS of the GhraCteTS and thoSe tO the gfeateSt degTee bOth aS night and of the iield being contraSted in cOIOT. 1@
da Si I1v In teStiInon whereof, I heTeunto aHix In Iaving thUS deSCTib6d my inventi0n I Signature iI1 the TeSenCe of two witneSSeS- 5 clain1: r SAMUEL E. DOANE.
illLlIT1inated Sign in whCh the ChaTaC vVitneSSeS: teTS and the field forIniIl the back round VV. M. I. B
F. E. TBAT.
therefoT afe COnl OSed of inCndeSCent lIn