| Description | Docketed as the Imperial Smoke Company. Sent with (b) and (c) below.
Sent to Boulton & Watt by the patentee, F. A. Winsor. Patent for “making and extracting from all combustibles of pit-coal, timber, peat etc. coke, charcoal, tar, pitch, oil, acids, ammonia, salts, and inflammable gas for lighting and heating.” |