Abstract: The object of the invention is a baking device for types of fatty foods that are baked in fat baths, in particular for households, in which baking device a fat pan (10) is located which can be placed on attachments (13) fastened to the housing of the baking device and removed therefrom, and in which a heating unit (8) is located between the base plate of the baking device and the fat pan (10), a lower baking plate (20) and an upper baking plate (27) being further located in said baking device, said plates being fastened together to form an enclosed baking unit, removable from one another, and at least the mutually parallel surfaces thereof being perforated or formed in a network fashion.

Abstract: The invention relates to a machine for fried dough foods fried in pans, wherein the machine comprises a preferably thermally insulated housing, which has a pan that is provided above the heating device disposed in the lower part of the machine. The invention further relates to a dough dispenser for the machine for fried dough food types fried in pans, wherein a feed worm having a diameter that corresponds to the diameter of the feed opening is disposed in the closable feed opening of the uncooked dough container of the dough dispenser.

Abstract: An apparatus for the testing of spheres for geometric exactness, which comprises a light source, a projectable image within or outside of said light source, optical means for simultaneously directing light in two different directions wherein one of said directions is onto a sphere to be tested and the other of said directions in onto an imaging means, and means for directing light onto said imaging means either as reflected from the sphere to be tested, or both from the sphere and from the light source without the optical interposition of the sphere.