PATENT SPECIFICATION No. 268,461. APPLICATION DATE: January 9, 1926. SPECIFICATION ACCEPTED: April 7, 1927. TITLE: IMPROVEMENTS RELATING TO CAM OPERATED VALVE GEAR FOR RECIPROCATORY STEAM ENGINES. APPLICANT: JOHANN KUPKA of 13, Pilgramgasse, Vienna 5, Austria via Lentz Patents, London. Size: 195mmx275mm. No. of pages of text: 3. No. of pages of drawings: 2. Size of page of drawing/s: 300mmx225mm & 140mmx225mm. Brief Description of Patent: This invention relates to reciprocatory steam engines in which the steam distribution is effected by poppet valves operated by cams mounted on a rotary shaft, the steam admission and exhaust being controlled at each end of the cylinder , in double acting cylinders, by seperate valves. Condition: Slight crinkling. Multiple Item Postage: Patents can be combined for postage costs, the cost is the same whether you purchase one or several, so check out our Ebay Shop patent listings as well. This patent specification has been disbound from a volume of 100 different patents. This is an original HMSO published item at the time, not a modern copy as are being sold elsewhere. The drawings are often ideal for framing. It is part of a collection of several volumes from the 1920/50's that I have from which individual patents will be sold over the next few months.

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