Multipane window with adjustable light admission

A window and shade combination comprising, a first transparent member having a planar portion, a peripheral side wall portion extending at an angle to said planar portion and around the periphery thereof defining a trough shaped space with said planar portion, and a peripheral flange portion extending from said peripheral side wall portion around the periphery thereof and substantially parallel to said planar portion, said peripheral flange portion having a peripheral recess, said planar portion, said peripheral side wall portion and said peripheral flange portion all being transparent, a planar second transparent member peripherally connected to said peripheral flange portion of said first transparent member and disposed within said peripheral recess to close said trough shaped space, and a shade member connected in said trough shaped space and movable therein, said first transparent member made of a single sheet of transparent material, said peripheral flange portion having a thickness of said sheet of transparent material whereby said combination can be installed into windows adapted to receive a single thickness of transparent material.