Vanishing points are usually located on this line. By drawing a line behind your object, you create a reference line for the ground in your picture. Everything you draw below that line will appear to be sitting on the ground. Chalkboard comes from the College of Art at Southern Arkansas University. Also see frieze and horizon line .
Horology is abbreviated horol.
The brass finials are original . Currier was a clockmaker and jeweler in Salem. While a number of wall and shelf clocks made by him are known, this is the only tall-case clock. The simplicity of the case is emphasized by the black paint that defines its lines. Also see jewelry , measurement , movement , ormolu , periodicity , sequence , and time .