Other
Photometer photoLab® and photoFlex®, stored test protocols
Photometer photoLab® and photoFlex®, stored test protocols
Precision ground thermometer, enclosed-scale type, with works calibration certificate
Precision ground thermometer, enclosed-scale type, with works calibration certificate
Membrane filters type 131, hydrophobic edged cellulose nitrate, with 3 mm edge
Membrane filters type 131, hydrophobic edged cellulose nitrate, with 3 mm edge