Dividing Circles. The Legal Horse Power of Steam Boilers. The Wisconsin Steam Wagon Reward. Valve for Laboratory Use. New Rule for Calculating the Power of Steam Engines. Device for Protecting the Finished Parts of Screw-Cutting Dies. Ammonia as a Cure for Rheumatism. The Proper Time to Fell Timber. Useful Recipes for the Shop the Household. and the Farm., scientific american, 1876-04-29

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Dividing Circles. The Legal Horse Power of Steam Boilers. The Wisconsin Steam Wagon Reward. Valve for Laboratory Use. New Rule for Calculating the Power of Steam Engines. Device for Protecting the Finished Parts of Screw-Cutting Dies. Ammonia as a Cure for Rheumatism. The Proper Time to Fell Timber. Useful Recipes for the Shop the Household. and the Farm., scientific american, 1876-04-29

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