New Railway Brake. Self-acting Annunciator. Improvement in Stave Dressing Machines. Printing Warps. Self-acting Alarm Whistle and Pressure Guage for Steam Boilers. Stoves. Gimp anci Fringe Machine. 0 from Rosin. Improved Spirometer. LIST OF PATENTS INVENTOR'S CLAIMS., scientific american, 1848-06-10
New Railway Brake. Self-acting Annunciator. Improvement in Stave Dressing Machines. Printing Warps. Self-acting Alarm Whistle and Pressure Guage for Steam Boilers. Stoves. Gimp anci Fringe Machine. 0 from Rosin. Improved Spirometer. LIST OF PATENTS INVENTOR'S CLAIMS., scientific american, 1848-06-10
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