Dovetail Slide Support for Holding Frames, Boards, Book-rests and the like, in Sloping Positions upon Tables or Desks

摘要

28,834. Englefield, A. Dec. 30. Drawing-boards.-In a method of supporting detached boards, frames, or book-rests in an inclined position on tables or desks, an arm C formed with a groove A engages a fillet or moulding B formed on or attached to the edge of the board &c. If required, the arm C may formed with a groove on each side.