THE REPERTORY OF ARTS, MANUFACTURES, AND AGRICULTURE. Consisting of ORIGINAL COMMUNICATIONS, SPECIFICATIONS OF PATENT INVENTIONS, SELECTED FROM THE PHILOSOPHICAL TRANSACTIONS AND . CONTENTS OF THE THIRD VOLUME, SECOND SERIES. Mr. COBB's, for Improvements in the Manufacture of Shag or Plush, 19 Mr. SPEER'S, for Improvement in the Construction of Hydrometers, 81 Mr. WILSON'S, for uniting the Metallic Patent Blocks of Row- Mr. DAY's, for a Watchman's Noctuary or Labourer's Regulator, 161 Mr. JACOB's, for a Metal Box for Axletrees of Carriages, Mills, &c. 170 Mr. MASSEY'S, for an Apparatus for taking Soundings at Sea, and Mr. GOULD'S, for a Glass to be used at Sea when heaving the Log, 243. Mr. MASON'S, for Improvements on the common Waggon, whereby it may be separated and used as two Carts, Meflrs. BEAUMONT'S, for a Mixture to be used in the Preparation |