✦ LIBER ✦

Spectrographic Standard Samples Issued by the National Bureau of Standards

✍ Scribed by (editor)

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Additions to List of Spectrographic Stee

✍ (editor) 📂 Article 📅 1945 🏛 Optical Society of America ⚖ 54 KB

THE NATIONAL BUREAU OF STANDARDS

✍ RUFUS P. WILLIAMS 📂 Article 📅 1902 🏛 School Science and Mathematics Association 🌐 English ⚖ 138 KB

THE NATIONAL BUREAU OF STANDARDS

✍ RUFUS P. WILLIAMS 📂 Article 📅 1902 🏛 School Science and Mathematics Association 🌐 English ⚖ 204 KB

The national bureau of standards

📂 Article 📅 1901 🏛 Elsevier Science 🌐 English ⚖ 69 KB

The National Bureau of Standards

📂 Article 📅 1912 🏛 Elsevier Science 🌐 English ⚖ 72 KB

The national bureau of standards

✍ Samuel W. Stratton 📂 Article 📅 1902 🏛 Elsevier Science 🌐 English ⚖ 630 KB