Keywords: The Crystal Palace page 50a.jpg The iron drilling-machine used at the Crystal Palace 1851 The Crystal Palace Its Architectural History and Constructive Marvels https //archive org/details/crystalpalaceits00berl Peter Berlyn and Charles Fowler Jnr Engravings by George Measom 1818-1901 PD-old-auto-1923 1901 The Crystal Palace book Drills |