Magnifying glass on telescopic stand, England, c. 1835-1914
Eyesight that deteriorates with age is something that affects most of those who live into adulthood. This magnifying glass can be adjusted to be the correct distance from the subject and could be used as a reading aid. It was made by Carpenter and Westley, specialist manufacturer of optical equipment. These included magic lanterns, microscopes, kaleidoscopes and magnifying glasses. The optical principles of magnifying glasses have been experimented with for thousands of years.
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Glossary: optical instruments
A device used to observe and/or measure light. It can give an enhanced image for viewing or scientific analysis.
Glossary: magnifying glass
Hand-held, simple or compound magnifying lens with low powers (x3-20) used to closely examine small objects