STANDARDS BLOCK SET 1 - 37 standards covering 42 elements plus Faraday cup.
These high quality slides with ground edges have a frosted marking surface available in six colours for easy identification.
These high quality slides with ground edges have a frosted marking surface available in six colours for easy identification.
Wax to keep ultramicrotome cut sections in a neat row, simply by applying a thin layer of wax to the sides of the block face at the top and bottom of the trapezoid.
Replaceable apertures for the Wehnelt cylinder can be supplied to fit some microscopes.
300 mesh, square pattern, 3.05mm diameter TEM grids.
This is a microscope slide marked over the top surface in such a way that a reference position can be deduced by direct reading.