He gestures, and the glass blanks.
The manufacture of a conventional spherical lens typically begins with the generation of the optic's rough shape by grinding a glass blank.
He chose to buy the raw glass blank and do the grinding and polishing himself.
The man, old enough to be Loy's father, bowed and took the glass, expression blank.
The glass blank is loaded into the lower side of the moulding tool.
The Graeser process involved sealing an image to the underside of a rectangular glass blank using a milkglass or enamellike glaze.
In 1913, Hartness sent Porter some telescope building ideas and literature along with two 16-inch-diameter glass blanks.
The glass blanks had been too incompre-hensible even to destroy, and the secret of the bow stick was intact.
Hawkes purchased the glass blanks for his cutting shop from many sources and eventually wanted to start a factory to make the blanks himself.
Originally, they painted glass blanks from other glass makers, but started making their own glass when they became able to buy the materials they needed.