PATENT SPECIFICATION No. 327117.

APPLICATION DATE: December 22 1928.

SPECIFICATION ACCEPTED: March 24 1930.

TITLE: IMPROVEMENTS IN OR RELATING TO CRANES.

APPLICANT: FREDERICK ALEXANDER of Royal Aircraft Establishment, South Farnborough, Hampshire. .

Size: 195mmx270mm.

No. of pages of text: 3. 

No. of pages of drawings: 2. Size of page of drawing/s: 300mmx225mm. 

Brief Description of Patent: This invention relates to improvements in cranes or portable jib cranes having a main frame adapted to be mounted on a vehicle chassis and a luffing jib which can be retracted or projected on the mainframe by means of traversing gear...

Condition: Slight crinkling. Wear to left hand edge where patent has been removed from the volume. 

This was sold by a Library and has their stamp impression on some of the pages/drawings. 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 1893-1900,1907 & 1920/50's that I have from which individual patents will be sold over the next few years.