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Scientific American, Vol. 67, No. 22 (1892) (1892)

leaf 8

An illustration from Scientific American, Vol. 67, No. 22 (1892), 1892, leaf 8
between the proposed ished in size and weight through the effects of disease, How to Color Lantern Slides, termini of the tunnel; but the Straitstof Northumber- Procure an assortment of Judson’s liquid dyes of as shown by its marked deviation from the ordinary land being perpetually stormy and the… … ing before the application of the darker during which the alcohol diffuses slowly greens, etc. It is best to use but little color, through the water, a flat beam of light is OF THE PRINCE EDWARD ISLAND TUNNEL. slightly tinted pictures having the best sent through the mixture at avery slight effect…

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