Page:The museum, (Jackson, Marget Talbot, 1917).djvu/92

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THE MUSEUM

the looks of the room that is too low, but there have been certain unfortunate mistakes in some of our well-known museums where there was no remedy except to raise the roof. If it is possible to use these low rooms for small objects, they are very delightful and have a friendly appearance which never can result in rooms of the proportion of those on the main floor in the Brooklyn Institute, for example. Inadvisable as it is in building a new gallery to provide only north light, it is sometimes necessary where a gallery is too low and too hot. Where a room has been provided with an ordinary skylight, the heat in summer is often so intense that something has to be done. In that case it is sometimes possible to build a saw-tooth skylight admitting only north light. This will obviate the difficulty by excluding the sun, but gives a cold and unattractive light except for certain modern pictures. Another solution which can be used in certain places is that of providing the so-called Monitor light, which has been worked out by Professor Lichtwark in Hamburg following the scheme originally used in England. These Monitor or lantern lights are valuable especially in cases where the skylight has been made too close to the ceiling glass and where there is not enough ventilation. The form of the lantern in itself makes possible