DescriptionDrawing set, similar to Anvil N996, made by Keuffel & Esser Co., N.Y., no date, circa 1925-1940. Pocket case, imitation black leather (embossed paper), 9-3/4" x 4-5/8" deep x 1-1/8" thick; stamped on front at bottom left: 09526; top and bottom flaps with snap closures; hard sides, no flaps. Interior lined with green silk velvet (faded) and fitted for tools. Contents: 9 metal drawing instruments and two nickel plate tubes (one for points; one for leads); plate screwdriver. Ivorite celluloid manufacturer's plate inside at lower right of fitted storage: "Keuffel & Esser Co., NY." Items have no K&E mark and except for the small plate, no other K&E mark such as being imprinted "Anvil" on a case flap as depicted in the catalog. The Anvil trademark line of instruments were drafting tools for non-professional users such as students as stated in the 37th edition catalog of 1927. They were identified as "Anvil" from the style seen in the catalog as "Square Type" for the joint found on the dividers and large compass. These were imported by K&E and made by the Ecco Co., Germany, as stamped on the tightening or adjustment screw knobs. Keuffel & Esser Co. main office and factories were in Hoboken in the period when this item was made.