Linen Testers

Linen Testers are strong magnifiers with a measuring scale. Historically they were (and still are) used to check the thread size and the number of ...

A quality linen tester with a biconvex white-glass lens and a black aluminum frame (anodized). In the foot (31x31 mm window) is a glass plate with ...

Linen Testers are strong magnifiers with a set focus and measuring scale. Historically they were (and still are) used to check the thread size and ...

Adjustable focus 20mm 10x achromatic lens with locking ring swing magnifier, often used for examining halftone dots in the printing industry. Magni...

6X Linen tester with fixed focus magnification lens and counter. It has as a durable metal frame and dual LED. It has a 30mm square measuring field...

Linen Testers are strong magnifiers with a measuring scale. Historically they were (and still are) used to check the thread size and the number of ...