RMWHBEBD–Mechanical mine sweeping - showing bent bulls horns from various angles..
RM2ABTWB5–THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. IMPROVED STREET SWEEPING MACHINE: Agents. Machine for Sweeping the Streets. Preservinz Fur. Scientific American, 56-03-29
RM2ABXRG8–VESSELS MADE FROM QUARTZ AND SOME OF THEIR USES BY PROF. JOHN TROWBRIDGE. AN HYGIENIC STREET-SWEEPING MACHINE. A MECHANICAL STREET CLEANER. Fig. 1NEEDLE-LIKE PIECES OF AMORPHOUS SILICA AND THE TUBES BUILT UP FROM THEM. Fig. 2SPECTRUM TUBES MADE FROM AMOR PHOUS SILICA., scientific american, 1903-03-28
RM2ABTCG7–380 SCIENTIFIC AMERICAN. NEW INVENTIONS. New Stave Dressing Machine. Iron Carriage Wheel. Smoke Consuner. Improvement in Locomotives. MECHANICAL MANIPULATION. Lathe Chucks for very small Saws. Spark Arresters. Percussion Cap Machine Street Sweeping Machine Magic Carriage Step. Barrel Making at Oswego. Lighthouse Light Vulcanized India Rubber. On the Construction of Chimneys. 'Bohan Attachment., 1847-08-21