Waste, Photographic, Its Disposition, [534]
Watch Chains, to Clean, [206]
Watch-dial Cements, [20]
Watch Gilding, [738]
Watch-lid Cement, [20]
Watchmakers’ Alloys, [736]
— and Jewelers’ Cleaning Preparations, [206]
— Formulas, [736]
— Oil, [738]
Watch Manufacturers’ Alloys, [736]