Abstract: A check posting board is provided for aligning checks on top of a business form with duplicating material therebetween, whereby writing made on the check is duplicated on appropriate lines and columns of the business form. The board comprises a generally flat writing surface having along one edge thereof a plurality of radially spaced aligning posts by which the business form and checks may be aligned by placing discrete holes in the business form over said posts and the placing discrete holes in the checks over said posts. An elongated main rail is provided adjacent to and extending substantially the length of the writing surface. The rail has on an upper surface thereof two spaced parallel slots for receiving a slidable check retaining carriage.

Abstract: A hollow binder for a book having removable pages such as a ledger is used for storage of threaded posts. Each of the posts are coaxial and threaded to one another. One of the posts is adapted by itself or in conjunction with other posts to be a hand tool for threading or unthreading of posts.