绘图望远镜

绘图望远镜绘图望远镜是戈瓦利在1811年发明的投影描绘器，是具有放大能力的望远镜。Graphic Telescope, c. 1812Signed: 'Cornelius Varley's Patent Graphic Telescope'.A complex version of the previous instrument combining a low powered telescope with the camera lucida. Large graphic telesco...