YOU ARE BIDDING ON A VINTAGE KERN AARAU CATALOG CIRCA 1950'S. IT IS A FOLD OPEN CATALOG 3 PAGES NOT INCLUDING THE FRONT COVER. IT HAS THE DKM 3 THEODOLITE, 2 SETS OF DRAFTING TOOLS, THE KERN PAILLARD SWITAR 10MM CAMERA LENS. IT IS IN EXCELLENT CONDITION WITH ONLY VERY LIGHT WEAR. PLEASE LOOK AT ALL PHOTOS AND ASK ANY QUESTIONS YOU MAY HAVE. REMEMBER THAT I SELL MOSTLY ANTIQUE AND VINTAGE ITEMS AND THAT THEY ARE MOSTLY LIKELY NOT BE PERFECT DO TO THE NATURE OF THEIR AGE. IF YOU HAVE A PROBLEM PLEASE CONTACT ME BEFORE LEAVING FEEDBACK.