A CATALOGUE OF THE MODELS, MACHINES, &c. Received since the publication of the Thirty-fourth Volume of the Society's Transactions, with the Numbers as they are arranged in the Classes to which they belong. I. I. II. III. LXIV. AGRICULTURE. SAMPLES CLASS I. AMPLES of Mrs. Hannah D'Oyly's Bull- CHEMISTRY. CLASS II. Model to illustrate Mr. James Callender's method of seasoning Mahogany. See page 71. Specimens of Mr. R. Wynn's Enamel Colours. See page 50. Samples of Mr. Thomas Stiles's Extract of Sprats. See page 82. POLITE ARTS. CLASS III. Model of Mrs. M. A. Warren's Piano Monitor. See page 85. XXV. LXV. LXVI. LXVII. LXVIII. LXIV. LXV. CCCXC. CCCXCI. CCCXCII. CCCXCIII, CCCXCIV, CCCXCV. Mr. Dick's Instrument for Drawing in Perspective. See page 89. Mr. W. Warcup's Curvagraph. See page 109. Mr. G. Wood's Parallel Rule, See page 113. Mr. W. Hall's Angulometer. See page 114. Model of Mr. T. Saddington's Machine MECHANICS. CLASS VI, Models of Mr. William Wynn's Timekeeper, and compensating Pendulum, See page 127. Model of Mr. J. Prior's striking part of a Clock. See page 138. Model of Mr. Jones's Crane. See page 141. Model of Mr. Barchard's traversing Rake. See page 152. Model of Mr. W. Aust's Machine for freeing the Shaft Horse, when fallen with a loaded Cart. See Model of Mr. F. Coad's Machine to enable Shoemakers to work standing. See page 160, CCCXCVII. CCCXCVI. CCCXCVII. CCCXCVIII. CCCXCIX. CCCC. CCCCI. CCCCII. CCCCIII. CCCCIV. Model of Mr. Caslon's Gas Lamp. See page 162. Model of Mr. Essex's Machine for cleaning Corn. See page 164. Model of Mr. Bray's Life Boat. See page 172. Model of Mr. Farey's Double BallCock. See page 174. Model of Mr. W. Farnham's Steam Trap. See page 178. Mr. G. Preston's Portable Deck Glass, &c. See page 180. Model of Mr. C. Wilson's Machine for sweeping Chimnies. See page 184. Dr. Davis's Craniotomy Forceps. See page 188. Model of Mr. Conolly's Telegraph. See page 208. LIST LIST OF CONTRIBUTING MEMBERS, TO THE SOCIETY FOR THE ENCOURAGEMENT OF ARTS, &c. Extended to December 1st, 1818. N. B. Those marked with ** pay Five Guineas annually; those marked with Three Guineas annually; those with P are Perpetual Members; those with ++ have served the Office of Steward; and those marked with † are Stewards Elect. A ATHOL, John, Duke of, K. T. F. R. S. Blair Athol, Aber deenshire * Alvanley, William, Lord, Little Stanhope-st. Mayfair P Acland, Sir Thomas Dyke, M. P. Killerton, Devon ††Ackerman, Mr. Rudolph, Strand P Ackers, |