Ca.1950's Merit fold-out brochure which measures 3-1/2" x 6" and opens to 13-7/8" x 12-1/8".One side of the fully open brochure has Merit Iris Shutter Peep Sight discs fro Target Shooting and Hunting,the prescription Lens disc and an application chart.The opposite side has the Merit .22 caliber Rim Thickness Gauge,the Optical Attachment for glasses,the Merit melting pot and Merit adapters for globe sights.All items are priced. Excellent condition