How to make Jump Standards
How to make Jump Standards – A Pair of Jump Standards are made out of two two-by-fours about eight feet long. After planning them smooth on all sides, measure off two feet from one end of each, and mark off…
How to make Bow and Arrow – Traditional Archery DIY
How to make Bow and Arrow – Authorities claim that the best materials from which to make bows are mulberry, sassafras, Southern cedar, black locust, black walnut, apple, and slippery elm, in the order named; but if a boy selects…
How to Build a Canoe – Wood and Canvas Canoe
How to Build a Canoe – Wood and Canvas Canoe Canoeing is a most delightful outdoor sport, and one of the healthiest in which a boy can indulge during his vacation days. Its popularity can plainly be seen by visiting…
Invention of photography – Digital Photography
When was Digital Photography invented – Invention of Photography 5,29 min video created by George Eastman House. Kodak engineer Steven Sasson invented the digital camera in 1975. Within 25 years the technology would overtake analog film materials and dominate the…
Invention of photography – Color Photography – When was Color Photography Invented
Color Photography – When was Color Photography Invented – Invention of Photography 6,00 min video created by George Eastman House. Photography’s earliest practitioners dreamed of finding a method for reproducing the world around them in color. Some 19th century photographers…
Invention of photography – Gelatin Silver Process and Gelatin Silver Prints
Gelatin Silver Process and Gelatin Silver Prints – Invention of Photography 7,32 min video created by George Eastman House. The gelatin silver process was introduced at the end of the nineteenth century and dominated black-and-white photography in the twentieth century.…
Invention of photography – Carbon Prints and Gum Bichromate Prints
Carbon Prints and Gum Bichromate Prints – The Pigment Processes – Invention of Photography 5.44 min video created by George Eastman House. Carbon prints and gum bichromate prints are both examples of pigment processes. Rather than the metal salts typically…
Invention of Photography – Platinum Print
Platinum Print – The Invention of Photography 3.39 min video created by George Eastman House. Platinum prints are characterized by their delicate surface and subtle tonal gradations. They are made by sensitizing paper with iron salts and exposing the paper…
Invention of Photography – Albumen Silver Print
Invention of Albumen Print in 4.34 min video created by George Eastman House. The albumen silver print, invented in 1850, was the most popular photographic printing process of the 19th century. To make albumen silver prints, a sheet of paper…
Collodion Process – Invention of Photography
Invention of Collodion Process in 5.32 min video created by George Eastman House. Introduced in 1851, by Frederick Scott Archer, the wet collodion process was a fairly simple, if somewhat cumbersome photographic process. A 2% solution of collodion, bearing a…