Magna-Rule

A Ruler & A Magnifier Too!

Designed by Bausch & Lomb to double the height of letters, lie directly on the page and require no focusing. Magnifies two lines of type at a time and is easily moved down the page at the user's reading speed. The Magna-Rule is ten inches long and has an eight-inch scale ruler, useful with tabulated data because it can serve as a linear guide.

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