MOTOX worm geared motors are single-stage angular geared motors with high-performance worm gearing. They represent the space-saving solution for simple …
... Read more
Gems and Jewelry: All Color Guide [Joel E. Arem] on Amazon.com. *FREE* shipping on qualifying offers. This new edition of the classic consumer guide to precious stones and their settings is packed full of color photographs and comprehensive information about gems in a portable format. Written simply and clearly