Classification Information
Scales; Carpenters' rules; Glass graduated scales; Measuring rulers; Slide-rules; Square rulers for measuring; Squares for measuring; T-squares for measuring; Tape measures
Electrical and Scientific ApparatusScales; Carpenters' rules; Glass graduated scales; Measuring rulers; Slide-rules; Square rulers for measuring; Squares for measuring; T-squares for measuring; Tape measures
Electrical and Scientific Apparatus