Hydrofluoric acid, used for etching glass in seventeenth century, [281-282]
Hydrofluoric acid, glass etched by, [287-288]
Indian glass, [343-347]
Indian glass, no early glass known, [343]
Indian glass, engraved glass of Mogul times, [343]
Indian glass, enamelled glass of Mogul times, [343]
Indian glass, contemporary native glass, [344-346]
Indian glass, how made, [345]
Indian glass, the furnaces, [345]
Indian glass, its artistic qualities, [346]