Stack of nine glass plates (each 3 1/4 inches square) coated with magnesium fluoride for demonstrating anti-reflection films, by Edwards High Vacuum Ltd., Crawley, Sussex, 1958. Stack of nine glass plates (each 3 1/4 inches square) coated with magnesium fluoride 1958
Four plates showing images on the surface of the glass after photographic negative has been removed. Four plates showing images after negative has been removed
three glass plates from a generator set. Used to create patterns of light on a lake with a arc lamp. From Lake district. Maufacturer unknown Three Glass Plates from a Generator Set
Broken circular glass plate from Glass still, by Fisons Ltd., British, 1970-1980, two circular elements, put together to make the whole record. circular glass plate from Glass still 1970-1980
Glass plates showing electron diffraction photographs taken by L.E.Sutton Glass plates showing electron diffraction photographs