2 Matching Results

Search Results

Advanced search parameters have been applied.

Steam-Pressure and Water-Level Recorder for Boilers.

Description: Patent for a division on the inventor's previous patent application (No. 404,658). This patent is for a device that records steam pressure and water levels in boilers, and is meant "to provide a new and improved steam pressure recorder for boilers, which is simple and durable in construction, very effective in operation, and arranged to automatically record the pressure of the steam in the boiler for a given period" (lines 14-19).
Date: April 18, 1893
Creator: Lewis, William Morgan
Partner: UNT Libraries Government Documents Department

Match-Box.

Description: Patent for a match-box that prevents "the wholesale removal therefrom of large numbers of matches by users and borrowers and their consequent wasteful expenditure, which, when this happens, as it commonly does in hotels and stores, makes the cost of matches an item of considerable expense to the proprietor" (lines 14-20).
Date: February 5, 1895
Creator: Holm, Martin
Partner: UNT Libraries Government Documents Department
Back to Top of Screen