linen tester
English
a linen tester, a small magnifier
Noun
linen tester (plural linen testers)
- A folding magnifying glass which, when unfolded, forms a frame for the lens at a pre-focussed distance. Commonly used in stamp collecting.
- A small magnifying glass, as might be used to check the thread count of linens.
References
- “linen tester”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
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