Fluorescent lighting for refrigerated spaces and the like

Claim 1

A LIGHTING STRUCTURE FOR AN ARTIFICIALLY-COOLED SPACE, SAID STRUCTURE INCLUDING A MOUNTING PANEL HAVING A PAIR OF SPACED SOCKETS SUPPORTING THEREON, AN ELECTRICAL HEATING WIRE MOUNTED ON THE SIDE OF SAID PANEL OPPOSITE SAID SOCKETS AND EXTENDING SUBSTANTIALLY THE DISTANCE BETWEEN SAID SOCKETS, A THERMOSTAT MOUNTED ON THE SAME SIDE OF SAID PANEL AS SAID SOCKETS, CONDUCTOR MEANS CONNECTING SAID HEATING WIRE AND SAID THERMOSTAT IN SERIES AND CONNECTED TO A POWER SOURCE, A STANDARD, COMMERCIALLY-AVAILABLE FLUORESCENT TUBE RECEIVED IN SAID SOCKETS AND EXTENDING THEREBETWEEN, A GUARD OF SUFFICIENT LENGTH TO EXTEND SUBSTANTIALLY THE FULL LENGTH OF SAID FLUORESCENT TUBE AND EXTENDING THEREAROUND AND IN CONTACT WITH SAID PANEL ON EACH SIDE OF SAID TUBE TO ESTABLISH A PERIPHERALLY-ENCLOSED SPACE AROUND SAID TUBE, SAID GUARD EXTENDING BEYOND SAID THERMOSTAT TO ENABLE SAID THERMOSTAT TO MEASURE THE TEMPERATURE OF THE ENVIRONMENT WITHIN SAID GUARD AROUND SAID SOCKETS FOR MAINTAINING THE TEMPERATURE WITHIN A PREDETERMINED RANGE BY OPENING AND CLOSING A CIRCUIT FOR SAID HEATING WIRE, AND A HOUSING AFFIXED TO SAID PANEL AROUND SAID THERMOSTAT TO LIMIT THE EFFECT OF THE ARTIFICIALLY-COOLED SPACE ON THE TEMPERATURE WHICH SAID THERMOSTAT SENSES YET ENABLE SAID THERMOSTAT TO SENSE THE AFORESAID TEMPERATURE AROUND SAID SOCKETS.