BEAUTIFUL J. RABONE & SONS, BIRMINGHAM, 2FT. 4 FOLD IVORY ARCHITECTS RULE, C. 1870'S. HAS GERMAN SILVER TRIM AND STAMPED ON THE ARCH " W. BLACKSHAW ", POSSIBLY THE OWNER. RULE FOLDS NICE WITH NO WARPING, NO CHIPS OR CRACKS WHICH IS COMMON WITH IVORY. HAS SOME SLIGHT EVEN YELLOWING ON ALL SIDES BUT COULD BE BRIGHTENED WITH A LITTLE KNOW HOW. HAS BEVELLED EDGES ON THE INSIDE EDGES. HAS ONE PIN ON THE LONG ARM BUT MISSING THE TWO PINS ON THE SHORT ARMS BUT COULD EASILY BE MADE.
