DescriptionPaper: K&E full logarithmic graph sheets, 46 7323. 2 x 3 cycles. Made and sold by Keuffel & Esser Co., [Hoboken], no date, circa 1956-1966. Transparent tracing paper printed in orange, 8-1/2" x 11" high, five hole punched on long side. Eight each. This item is seen on page 80 of the 42nd edition catalog of 1954 as item 359-112. Circa 1956-1962, K&E re-numbered its product line and it was re-numbered 46 7323. When re-numbered is unknown at present. K&E main office and factories were in Hoboken during the period this item was made, but it is possible that this was made, stock and shipped from a subsidiary company located outside of Hoboken.