The ambrotype is a direct positive image and uses the wet collodion plate process. The photographer mixes a liquid emulsion of gun cotton (combination of purified cotton with nitric and sulfuric acid), ether and alcohol.
[READ MORE]Long live the extinct mastodon!
The American mastodon (Mammut americanum) is the iconic “Ice Age” creature of the Pleistocene epoch (2.58 million to 11,700 years ago) for North America, and an example of its extinct megafauna.
[READ MORE]The hummers are coming!
So wrote John James Audubon, noted ornithologist and artist (and first official employee of our predecessor institution, the Western Museum), on the spring migration of Ruby-throated Hummingbirds (Archilochus colubris).
[READ MORE]Early Photography – Part 1 of 4
The daguerreotype was invented by Louis Jacques Mandé Daguerre and was introduced to the French Academy of Sciences on January 7, 1839. A silver-plated copper plate is polished on the silver side to a mirror-like sheen and exposed to iodine vapor.
[READ MORE]Irish Tape and Our Sound Recording Collections
One of the collections I get to manage is the Sound Recordings, and, as you can imagine, we hold a pretty diverse spectrum of recording technology.
[READ MORE]Dr. James A. Stewart, Captain, U.S. Army, Mobile Army Surgical Hospital (M.A.S.H.)
James Antenen Stewart graduated from Hamilton High School in 1941 and the University of Cincinnati in 1945. He later served as the Chief Surgeon of a Mobile Army Surgical Hospital (M.A.SH.) near Seoul.
[READ MORE]Woodrat Hunting With CMC’s Zoology Curator
During the second week of last November, I spent a couple of days at the Museum Center’s Edge of Appalachia preserve looking for my newest study organism – the Allegheny woodrat (Neotoma magister).
[READ MORE]The Stuart Shuster Train Story
Created using original and reproduction Lionel trains and accessories, Stuart’s layout has all the bells and whistles that our visitors, young and old, have come to expect at Museum Center during the holidays.
[READ MORE]A World-Class Crinoid Fossil Assemblage
This slab is covered with complete and nearly complete specimens of one species of crinoid, Glyptocrinus decadactylus, and is one of the largest and most spectacular examples of fossil crinoid preservation ever found in the Cincinnatian Series (Late Ordovician Period, 450 million years ago).
[READ MORE]