Abstract: A checkbook using conventional, standard bank checks and preprinted record keeping sheets in booklet form where the data written on the check is simultaneously transferred onto one of the preprinted recording sheets. A first template, insertable in an inner pocket, has opposed outer guides for receiving slides of a cooperating second template, which cooperating second template has an elongated window and is movable along the guides of the first template for positioning its window in registry with a blank transaction line on the preprinted sheet, whereby upon the placement of a check over the cooperating second template and the writing of the check, data is simultaneously transferred onto the preprinted sheet.

Abstract: A belt buckle employing a front plate with a window and a removable rear covering which allows for the insertion of an item for its display in the window by the wearer.

Abstract: A container consisting of at least two layers of flexible material forming a pocket for retaining relatively flat articles, which also can be formed into a cylinder and retained in this position by providing adhering means in spot or strip form extending substantially along two overlapping edges, and inwardly from an overlapping edge for changing the diameter of the formed cylinder. External spot or strip adhering means also are provided to cooperate with that on the container for retaining the container in its flattened position.

Abstract: In the electrolytic production of metal employing nonconsumable anodes, the performance of these anodes is improved by adding predetermined measured amounts of anode constituent materials to the electrolyte melt in a controlled manner in order to control the corrosion and solubility of the anode.