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The Eagle, Globe, and Anchor (commonly referred to as an EGA) is the official emblem and insignia of the United States Marine Corps. [1][2] The current emblem traces its roots in the designs and ornaments of the early Continental Marines as well as the United Kingdom 's Royal Marines. [citation needed] The present emblem, adopted in 1955 ...
Free-Images.com – More than 12 Million Public Domain/CC0 stock images, clip-art, historical photos and more. Excellent Search Results. Commercial use OK. No attribution required. No login required. Good Free Photos – All public domain pictures of mainly landscape but wildlife and plants as well
First full-disk black-and-white filtered [40] color picture of the Earth. [6] November 10, 1967 ATS-3: First full-disk "true color" [41] picture of the Earth; [42] subsequently used on the cover of the first Whole Earth Catalog. [43] [42] December 21, 1968 Apollo 8: First full-disk image of Earth from space taken by a person, probably by ...
The telescope, telescope goldfish or telescope eye (Chinese: 出目金; pinyin: Chū mù jīn) is a goldfish characterised by its protruding eyes. [1][2][3] It was first developed in the early 1700s in China, where the trait was referred to as dragon eyes. Variants are called the Black Moor, Panda Moor, and Celestial Eye.
The first printed photo using a halftone in a Canadian periodical, October 30, 1869 A multicolor postcard (1899) printed from hand-made halftone plates. While there were earlier mechanical printing processes that could imitate the tone and subtle details of a photograph, most notably the Woodburytype, expense and practicality prohibited their being used in mass commercial printing that used ...
Cyanotype. The cyanotype (from Ancient Greek: κυάνεος, kyáneos 'dark blue' and τύπος, týpos 'mark, impression, type') is a slow-reacting, economical photographic printing formulation sensitive to a limited near ultraviolet and blue light spectrum, the range 300 nm to 400 nm known as UVA radiation. [1]
Strong brown. B: Normalized to [0–255] (byte) Sepia ink used for writing, drawing and as a colored wash by Leonardo da Vinci. Sepia is a reddish-brown color, named after the rich brown pigment derived from the ink sac of the common cuttlefish Sepia. [2] The word sepia is the Latinized form of the Greek σηπία, sēpía, cuttlefish.
Monochrome photography, or is photography where each position on an image can record and show a different amount of light (value), but not a different color (hue). The majority of monochrome photographs produced today are black-and-white, either from a gelatin silver process, or as digital photography. Other hues besides grey can be used to ...