Mylar drafting sheet

An A1 size matte mylar draft/drawing sheet used to sketch techinical designs. This particular sheet designed and used for McCorquodale Machine Systems LTD. It has a black border around the center of the sheet, 10 oval puncholes going down the length of the sheet's left side for hanging and a seperated section in the lower right hand corner for technical specifications and notes. Mylar drafting sheets are made from have a a shiny and moisture repellant side for pencil use and a textured side for use with a pen. They replaced the previous linen drafting sheets as they were more durable and slightly more forgiving to mistakes. If a mistake was made, a sharp razor could be used to gently scrape the pen/pencil residue off of the sheet.

printed: "DRAWING NO. 123456789. 7972T" (left side of sheet)

printed: "DO NOT SCALE. IF IN DOUBT ASK. ABCDEFGHIJKL" (top length of sheet)

printed: "3rd ANGLE PROJECTION. REMOVE ALL SHARP EDGES & BURRS. COPYRIGHT McCORQUODALE MACHINE SYSTEMS LTD. TITLE. USED ON. TOLERANCES 3 PLACE +-.005 2 PLACE +-.010 FRACTIONAL +- .015. REFER TO SPEC. 300/21021 FOR OTHER TOLERANCES. MATERIAL FINSIH DRN. CHK. APR. SCALE DATE ISSUE ECN. USED ON SIMILAR TO DRAWING NO. A1. OZALID(UK) LTD."

AIBDC : 009950