Railroad lanterns are more than tools—they are artifacts of American industrial history. The R.E. Dietz Company produced some of the most recognized cold-blast lanterns used in railroad service across the United States and beyond. Today, these lanterns remain highly collectible, but accurate identification requires careful study. This comprehensive guide covers: • The history of the R.E. Dietz Company • Anatomy of railroad lantern construction • Identifying lid stampings and fount embossing • Globe manufacturers and railroad-marked glass • Detailed analysis of key models including the Vesta, No. 2 D-Lite, Monarch, and Acme Inspector • Dating techniques using structural and stamping changes • Detecting reproductions, added railroad stamps, and composite lanterns • What drives value in today’s market • Long-term preservation strategies Written in a clear, authoritative reference style, this book equips collectors with the knowledge needed to authenticate, evaluate, and preserve Dietz railroad lanterns with confidence. An essential reference for railroad historians, lantern collectors, and antique industrial enthusiasts.