The oils from different coals require different treatment. The oils of Albert coal (ashphaltum) [New Brunswick, Canada], Boghead coal [Scotland] and Breckenridge coal [Kentucky] are easily purified, while the oils from ordinary American, English and Scotch cannels, require more skill….The author has made more than 2000 experiments in reference to the manufacture and purification of… Continue reading The Unlucky Inventor
Thoughts & Musings from James McNiven
Old Professor by the Sea 