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Scientific American, Vol. 92, No. 12 (March 1905) (1905)

leaf 10

An illustration from Scientific American, Vol. 92, No. 12 (March 1905), 1905, leaf 10
s, and estimators where much mul- the eighteenth century, most of the guards of the old when the rays entering the spectroscope are practically tiplying is required. English mail coaches carrying them in a special com- parallel, as with direct sunlight without a condenser, partment at the rear of… … 1. Spanish snap-hammer blunderbuss made about 1700. 2. Firs •t breech-loader ever made in the U. S. 3. Spanish double-barrel flint- 6. French two-barrel revolving flint-lock pistol made about 1750. 7. Four-shot made about 1620. 5. The most perfect form of English .blunderbuss. lock gun made about…

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