(under subclass 681) Apparatus wherein the focusing means has structure permitting it to be doubled upon itself. [figure] [caption]A solar stove having a casing with four rectangular reflective panels foldably attached and surrounding the perimeter of the upper edge of the casing, the panels being foldable against the casing to form a neat package. Each panel is attached to an opposite panel by a flexible cord, the cords crossing each other when the panels are opened to aid the user in aiming the solar stove directly into the sun. Triangular panels are removably attached to the side of adjacent rectangular panels to fill the space created when the rectangular panels are opened to approximately 45 deg. past vertical. The oven is a drawer fitting in the casing and removable either horizontally or vertically, the drawer having multiple layer construction for heat retention and a dark interior surface for converting solar rays to heat.
