Vintage COOPER Food Warmer 2 Burner(w/Sterno Cups)Alex Boyd Son Of London COPPER.  This item is not signed or marked with name of maker,  but it appears to be exactly the same as many listed as Cooper (or CLS) Alex Boyd Son of London,  also often identified as military used.  As I say,  this is not marked, so please compare to other listings and sights and judge for yourself.  Measures approx. 26" long,  11 1/2" wide, 7" high,  the sterno cups measure approx. 3 1/2" high,  4" diameter. Antique/Vintage used condition, do not know if it is solid copper or plated (unmarked),  do not know if it works untested,  1 sterno cup needs seam soldered,  1 wood foot has damage (still functional),  signs of use consistent with age, dents, scratches, uneven finish (wear, dirt, some green patina, etc), has not been cleaned or polished,  in as is/as found condition.