Rotary Numbering Machines Straight or horizontal numbering machines which number across the sheet,  normally supplied (standard) with 7 wheels. Last 3 wheels can be either drop zero OR a drop wheel Solid wheels can be specified for these last 3 positions.       Convex or vertical numbering machines which number around the cylinder or vertically down the sheet. normally supplied (standard) with 7 wheels The next most common machine has 9 wheels     Flat Base numbering machines are available normally supplied in straight configuration to enable the printer to interchange adaptor bases from one printing circumference to another Standard font or character is 3/16 " gothic (but many others are available on request   Skip numbering is common and we carry a wide range of skip wheels for all of the above machines.  These are used when 2 or more to view is required.  Modulus numbering is used for security on various forms and can be fitted, in most cases, to standard mechanical numbering machines   ©2010 Numbering Equipment Supplies. website by Challenging Tomorrow