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Claim 1

AN ATTACHMENT HEAD FOR FUNCTIONALLY CONNECTING TO A PORTABLE TUBULAR CASE CONTAINING A BATTERY THEREIN, INDIVIDUAL LAMPS AT ALTERNATE POSITIONS RESPECTIVELY WITHIN AND WITHOUT THE CASE, AND COMPRISING IN COMBINATION: A GENERALLY FUNNEL-SHAPED SUPPORT HAVING AN OUTER EDGE REMOVABLY LOADED WITHIN ONE END OF SAID CASE POSTERIOR TO AN OVERLYING WINDOW AREA, SAID FUNNEL HAVING A CENTRAL, DEPENDENT NECK CONTAINING SOCKET MEANS ADAPTED TO DETACHABLY RETAIN A LAMP IN ELECTRICAL CONTACT WITH SAID BATTERY; A GENERALLY ANNULAR ATTACHMENT COLLAR ENCIRCLING AND RESTRAININGLY OVERLYING THE OUTER EDGE OF SAID SUPPORT WHEN THE COLLAR IS SECURED TO SAID CASE; A CENTRALLY APERTURNED DISK REMOVABLY OCCUPYING SAID WINDOW AREA BY MEANS OF SAID ATTACHMENT COLLAR, THE APERTURE OF WHICH DISK IS DISPOSED TO TRANSMIT LIGHT FROM A LAMP IN SAID SOCKET AND ALTERNATELY TO SUPPORTINGLY EMBRACE SAID LONGITUDINAL SHAFT WHEN THE LATTER IS MOUNTED IN THE SOCKET AND PROJECTING OUTWARD THROUGH THE APERTURE; A LENS REMOVABLY MOUNTED IN THE APERTURE OF SAID DISK; AND A LONGITUDINAL SHAFT HAVING MEANS FOR RETENTION IN SAID NECK ALTERNATE TO SAID LAMP, IN A POSITION PROJECTING OUTWARD BEYOND THE END OF SAID CASE AND FUNCTIONALLY CARRYING A GENERALLY TERMINAL LAMP AT ITS OUTER END IN ELECTRICAL CONTACT WITH SAID BATTERY.