Improved Road Scraper. Lubricating Substances. The Inventor of Revolving Iron Turrets for Naval and Land Batteries. ging stones whenever there is occasion. While this scraper is believed to be as convenient BROOKS'S ROAD SCRAPER. warm water add one quart of oil then stir them to Tan harder steel is made the more difficult it is t magnetize it., scientific american, 1862-04-19
Improved Road Scraper. Lubricating Substances. The Inventor of Revolving Iron Turrets for Naval and Land Batteries. ging stones whenever there is occasion. While this scraper is believed to be as convenient BROOKS'S ROAD SCRAPER. warm water add one quart of oil then stir them to Tan harder steel is made the more difficult it is t magnetize it., scientific american, 1862-04-19
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