Search results
Results from the WOW.Com Content Network
The White–Haines Building, also known as C. O. Haines Optical Company Building, is a historic building located at 82 North High Street in Downtown Columbus, Ohio. [2] The building is part of the High and Gay Streets Historic District on the National Register of Historic Places.
171–191 South High Street is a pair of historic buildings in Downtown Columbus, Ohio.The commercial structures have seen a wide variety of retail and service uses through the 20th century, including shoe stores, groceries, opticians, hatters, jewelers, a liquor store, and a car dealership.
Bell and Howell is a United States brand of cameras, lenses, and motion picture machinery. It was originally founded as a company in 1907, and headquartered in Wheeling, Illinois.
Optical digital recorder - Algorithms and coatings that led to the first optical digital recorder developed by James Russell, which paved the way for the first compact disc, and the first generation jet engines using titanium alloys. [9] Armor plating for tanks in World War II. Correction fluid - Snopake, the first correction fluid, developed ...
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.
Bell & Howell Pocket Comparator. A pocket comparator is an optical device for measuring and inspection comprising a loupe and a reticle. [1] The instrument was developed and manufactured by the Bell & Howell Company, but similar instruments of other names are made by other manufacturers.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Patent drawings for Hartness screw-thread optical comparator. At age 16, Hartness began his career in machine shops. At age 21 he became a foreman at the Winsted-Norway Bolt Company in Winsted, Connecticut. He moved in 1886 to Torrington, Connecticut, to work as a tool-maker and foreman at the Union Hardware Company. His lifetime achievement of ...