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The design of many modern opera glasses of the ornamental variety is based on the popular lorgnettes of the 19th century. Often, modern theatre binoculars are equipped with an LED flashlight, which makes it easier to find a place in the dark. In addition to the more stereotypical binocular type, folding opera glasses were another common design.
These were very popular at masquerade parties and used often at the opera. They were worn popularly in the 19th century. They were worn popularly in the 19th century. The lorgnette was employed as a prop and affectation by early 20th century trial lawyer Earl Rogers , and one is featured on the front cover dust jacket of his biography, Final ...
Opera glasses were not new at the time of the company's formation. In fact, they were a fashion accessory at the end of the 19th century and the beginning of the 20th century. It was not until 1912 that the London Opera Glass Company installed discreet dispensers on the backs of seats, enabling patrons to rent them for 6d (2 1 ⁄ 2 p in today ...
Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Most binoculars are sized to be held using both hands, although sizes vary widely from opera glasses to large pedestal-mounted military ...
Among Petzval's other works are the invention of opera glasses, lens system calculations that led to the perfection of a telescope and microscope (1843), computations for efficient binoculars, and construction of new floodlights (1847). His plan for the construction of lighting systems for ships on the Danube could not be carried out, however ...
With showbiz in his veins and the support of his family and community, Kurtz was destined for the stage.
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In 1865, Denis Albert assumed control of the family business. [2] The company was located at his residence at 55, rue de Chabrol. The company manufactured and sold astronomical telescopes, spyglasses, binoculars, microscopes and opera glasses.