Description

and a movable disc plug

Compact 2mm-plug connecting lead in the small-scale lead family

Precision-cut interchangeable plugs in split brass contact blocks select between constantan-wire decades

the wider focal distance favoring page-wide field of view over higher magnification

Round Convex Glass Mirror, 75mm Diameter, 150mm Focal Length archive-pending and a movable disc plugPairs a 75mm aperture with a 150mm focal length on a convex glass surface, ~3. 3mm thick, the gentler curvature softening divergence while still producing reduced virtual reflections.

Exchange/Return Notes

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Round Convex Glass Mirror, 75mm Diameter, 150mm Focal Length archive-pending and a movable disc plug

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