Gas fired cooking range

Claim 1

IN A GAS-FIRED OPEN-HEARTH TYPE STOVE, A PLURALITY OF SPACED APART PARALLEL GAS BURNERS EXTENDING FROM ONE EDGE OF THE HEARTH OF SAID STOVE TO THE OTHER AND SUPPORTED AT THE ENDS THEREOF, AN AIR MANIFOLD ADAPTED TO CONTAIN AIR UNDER PRESSURE EXTENDING ALONG THE BACK OF SAID HEARTH AND PROVIDING THE SUPPORT FOR ONE END OF SAID BURNERS, A PLURALITY OF AIR DISCHARGE PORTS ALONG THE TOP OF SAID MANIFOLD, HORIZONTAL MESH TRAYS BETWEEN SAID BURNERS, BED OF REFRACTORY LUMPS SUPPORTED BY SAID TRAYS, MEANS INCLUDING SAID BURNERS FOR SUPPORTING HORIZONTAL MESH TRAYS CONTAINING BEDS OF REFRACTORY LUMPS BETWEEN THE SAME, MEANS INCLUDING SAID BURNERS FOR DISTRIBUTING GAS ALONG THE SIDES THEREOF TO BE BURNT IN SUBSTANTIALLY FLAT HORIZONTAL THIN AND CONTINUOUS FLAMES THE LENGTH OF SAID BURNERS AND BELOW SAID LUMPS TO HEAT THE SAME AND MEANS ALSO INCLUDING SAID BURNERS FOR DISTRIBUTING AIR FROM SAID DISCHARGE PORTS OF SAID MANIFOLD TO FORM A SUBSTANTIALLY FLAT, THIN, HORIZONTAL WAVE OF AIR THE LENGTH OF SAID BURNERS ABOVE SAID LUMPS AND SUBSTANTIALLY PARALLEL TO SAID FLAMES.