an alphabet or code in which letters are represented by combinations of long and short light or sound signals
an alphabet or code in which letters are represented by combinations of long and short light or sound signals
an alphabet or code in which letters are represented by combinations of long and short light or sound signals
a taper on a shank or socket that is one of a standard series having specified dimensions and angles
a taper on a shank or socket that is one of a standard series having specified dimensions and angles