Improvements relating to Sky-lights and Ventilating Windows

16,166. Reiss, E. Sept. 11. Window appliances ; l o u v r e d apparatus.-A skylight or window a' is connected by a lazy-tongs framework h to the frame c, and to a series of louvre frames a', a , and is raised for the purpose of ventilation by a rod g, levers or other mechanism. The pins x are pivoted to the frames, and the pins z are guided in slots s of the frames. The louvre frames prevent the entrance of rain when the skylight is open.