Frankenstein: or `The Modern Prometheus': The 1818 Text (Oxford World's Classics)

Brix Refractometer with ATC – 0–55% Range, Portable Sugar Tester for Durian, Syrups, Fruits, Juice, Home Brewing & Field Testing

KooingTech RHG181 Diamond Tester, 1.30-1.81 Jewelry Refractometer, Portable Gem Tester for All Stones Refractometry Testing Tools

Professional Salinity Refractometer,Salinity Tester, Salt Tester for Saltwater Pool, for Saltwater Aquarium, Pools, and Tanks,Dual Scale 0-100 PPT & Specific Gravity 1.000-1.070 with ATC Function

Aicevoos Digital Sugar Brix Refractometer brix Meter Automatic Temperature Compensation Range 0-35%，±0.2% Precision, Perfect for Fruits, Juices, Vegetables, Drinks and Coffee

Urea and DEF Tester - Refractometer Digital Tester That Measures Accurately and Quickly - The Best Choice for Your Diesel Vehicle - Limited Time Offer

Ade Advanced Optics GL500 Gemstone Refractometer with LED Light – Professional Digital Gem Tester for Jewelry, Gemstone, Ruby, Jadeite, Sapphire, Diamond, Moissanite, and Lab Use

3-in-1 Animal Clinical Refractometer, Measuring Animal's Health Index of Urine Specific Gravity and Serum Protein, Ideal for Veterinary and Pet Owner

0-90% Brix Meter Refractometer,V·RESOURCING Portable Hand Held Sugar Content Measurement for Sugar, Food, Fruit, Beverages Honey