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Color-blindness and color-perception (1882)

Burnett, Swan Moses, 1847-1906, Tweedy, John, 1849-1924, former owner, Royal College of Surgeons of England · [New York : D. Appleton] · leaf 4

An illustration from Color-blindness and color-perception, 1882, leaf 4
THE POPULAR SCIENCE WONTHLT. 82 The fighting-sword of the latter part of; the eighteenth and for- mer part of the nineti: enth centuries (Fig. 27) were not very good, either as rapiers or sail ers, and marked a period of transition to one Sections op Swobd-Blades!' almost of decadence. The… … streng h, into a two-edged sword (Fig. 29). The hilt has a wider guard, a id is intermediate between the rapier type and that of the basket fern. Adopting the principles that have ob- tained at various times, it s a good all-round weapon in skillful hands. While Western nation! have thus tended to…

Color Perception

Internet Archive · Royal College of Surgeons of England · Public domain (published before 1931). Free to use for anything.

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