Stainless Steel Filter Units Laboratory Instrument Ion Chamber?

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  • Regular price $75.00


Stainless Steel Filter units

Lot of five

Each is 25.98mm

Four have a woven pair of screens, a knurled thumb screw and nut

Three of these are matchers with 6 holes.

One has the same general design with 12 holes.

The last one has four corner posts and an alignment pin. The screens are punched or cut of thin plate.

Possibly for electron microscope or ion chamber