Practical Perpetual Calendars
Innovative, Convenient and GreeneBook - 2017
New book shows how 'Practical Perpetual Calendars' can replace many conventional calendars. Saltvold's book describes concepts that he developed to make perpetual calendars a viable replacement for all conventional calendars that are not written on. "Practical Perpetual Calendars" contains a variety of designs for desk calendars, wall calendars, pocket calendars, photo holders and other applications. All designs resemble conventional calendars and are set by simply moving a slider.
Publisher: [Place of publication not identified] : iUniverse, 2017
Characteristics: 1 online resource (232 pages)