Antique Map Auction Sale No. 136 - closed 6/1/2011
Each of these booklets represents the public notice of patents granted by Royal decree or those held as Provisional. Each is wrapped in original blue paper cover, printed at the Great Seal Patent Office, 25 Southampton Buildings, Holborn and printed by George E. Eyre and William Spottiswoode. A collection of rarely seen booklets that describe the intense work by inventors who were making incremental improvements in the globe and map making process. In many cases the patent application was made decades earlier.