 | Edward T W. Polehampton - 1815 - 688 pages
...surfaces made perfectly bright with a scratch brush. A small rim is then made round the circumference, with a thin brass band rising a little above the level,...these is to confine the enamel when in fusion, and keep the edges of the plate quite neat and even. The substance of the enamel is a fine white opaque... | |
 | Edward T W. Polehampton - 1815 - 712 pages
...surfaces made perfectly bright with a scratch brush. A small rim is then made round the circumference, with a thin brass band rising a little above the level,...these is to confine the enamel when in fusion, and keep the edges of the plate quite neat and even. The substance of the enamel is a fine white opaque... | |
 | Edward Polehampton - 1815 - 710 pages
...round the margin of the central hole. The use of these is to confine the enamel when in fusion, and keep the edges of the plate quite neat and even. The...substance of the enamel is a fine white opaque glass, the material of which will be presently mentioned. This is bought in lump by the enamellers, and is... | |
 | John Mason Good - 1819 - 822 pages
...is then made round the circumference, with a thin brass hand rising a little above the le, el, ami a similar rim round the margin of the central hole....these is to confine the enamel when in fusion, and keep the edges of the plate quite neat and even. The substance of the enamel is a fine white opaque... | |
 | Colin MacKenzie - 1821 - 724 pages
...the surfaces made perfectly bright with a brush. A small rim is then made round the circumference, with a thin brass band rising a little above the level,...enamellers, and is first broken down with a •hammer, tnen ground to a powder sufficiently fine, with some water, .in an agate mortar ; the superfluous water... | |
 | Colin Mackenzie - Chemistry - 1822 - 774 pages
...the surfaces made perfectly bright with a brush. A small rim is then made round the circumference, with a thin brass band rising a little above the level,...white opaque glass ; this is bought in lump by the enamel lers, and is first broken down with a hammer, then ground to a powder sufficiently fine, with... | |
 | Science - 1842 - 496 pages
...the surfaces made perfectly bright with a brush. A small rim is then made round the circumference, with a thin brass band rising a little above the level,...plate quite neat and even. The substance of the enamel ia a fine white opaque glass ; this is bought in lump by the enamellers, and is first broken down with... | |
 | Colin MacKenzie - Formulas, recipes, etc - 1867 - 510 pages
...perfectly bright with a brush. Л small rim is then made round the circumference with a thin bras» band rising a little above the level, and a similar rim round the margin of the central hule. The use of these is to confine the enamel when in fusion, and to keep the edges of the plate... | |
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... brush. A small rim is then made round the circumference, with a thin brass band rising a little above the level, and a similar rim round the margin of the central hole. The use of these is to confine the enamel when in fusion, and to keep the edges... 