WXG-4 Disc Polarimeter
WZZ-1 Automatic Polarimeter
WZZ-2A Automatic Polarimeter
WZZ-2B Automatic Polarimeter
WZZ-3 Automatic Polarimeter
WZZ-1S/1SS Digital Automatic Polarimeter
WZZ-2S/2SS Digital Automatic Polarimeter
WZZ-3A Automatic Polarimeter
WRX-4 Melting-point Apparatus with Microscope
YRT-3 Drug Melting Point Tester
WRR Visual Melting Point Apparatus
WRS-1A Digital Melting-point Apparatus
WRS-1B Digital Melting-point Apparatus
WRS-2 Micro Processor Melting-point Apparatus
WRS-2A Micro Processor Melting-point Apparatus
WQD-1A Dropping-Point and Softening-Point Apparatus
WYA-2WAJ ABBE Refractometer
WYA-2W ABBE Refractometer
WYA-2S ABBE Digital Refractometer
WSL-2 Tintometer
WYL-2 Stress Analyze Meter
WJ-Na/Hg low pressure sodium/mercury lamp power source
Quartz Plate for Calibration
