The plate-Glass-Book, [electronic resource] : consisting of the following authentic tables. I. The value of any looking-glass when finished, and fit for framing. II. The Glass-House Table; shewing the Value of the Rough-Plate, and also of the Rough-Plate and Duty. III. The Prices of Grinding, Polishing, Silvering, and Diamond-Cutting the several Marks or Sizes. IV. The Value of a Looking-Glass when accidentally Broken, or designedly Divided. V. The several Discounts made at the Glass-Houses. To which is Prefixed, An Explanation of the Tables: And a Preface, demonstrating the Fallibility and Incorrectness of all written Tables and wooden Rules, for valuing of Plate-Glass. With Some Observations concerning the Nature and Antiquity of Glass in general. Of Plate or Looking-Glass; Of the Ingredients of which it is made, and the Time it requires for founding; Of the Manner of grinding, polishing, and silvering it. Also of the different Colours of Plate-Glass; and at what Rate the several Hazards attending the working, silvering, framing, and packing of it ought to be estimated. Also of Mirrors both Concave and Convex. By a glass-house clerk. A new edition, corrected. To which is added, The compleat appraiser. Consisting of ninety-odd tables, with Instructions for valuing of Kitchen and Household Furniture, &c. &c.