Lewis Feuchtwanger

1805 – 1876

• A hand-book on silex, embraced in three practical treatises
• A popular treatise on gems
• A popular treatise on gems, in reference to their scientific value
• A Practical Treatise on Soluble or Water Glass, Silicates of Soda and Potash
• A practical treatise on soluble or water glass, silicates of soda and potash
• A Treatise on Gems in Reference to Their Practical and Scientific Value: A Useful Guide for the ..
• A treatise on gems, in reference to their pratical and scientific value
• A treatise on gems: In Reference to Their Practical and Scientific Value ..
• Dr. Feuchtwanger's Practical treatise on soluble or water glass ...
• Fermented liquors
• Soluble glass and all its applications
• A Treatise on Gems