𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Chemical Nickel Plating

✍ Scribed by Dr. Hans Niederprüm


Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
931 KB
Volume
14
Category
Article
ISSN
0044-8249

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📜 SIMILAR VOLUMES


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Nickel plating by boiling
✍ C. 📂 Article 📅 1880 🏛 Elsevier Science 🌐 English ⚖ 60 KB

## 417 ltrench Lighthouses.--All the lighthouses on the French coast, .except three which are provided with the electric light, have been lit since 1873 with lamps burning mineral oil. The luminous intensity ,of the apparatus has been greatly increased, and notwithstanding the increase a saving has