Biometric identification apparatus; Computerized time clock with fingerprint recognition; Counterfeit coin detectors; Fingerprint scanners; Instruments for measuring length; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Pressure measuring apparatus; Punched card machines for offices; Surveying machines and instruments; Weighing machines; Counterfeit money dete...