Standard revised

Respiratory safety standard revised

📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 141 KB

Revised standard frequency broadcasts

📂 Article 📅 1941 🏛 Elsevier Science 🌐 English ⚖ 48 KB

The Bureau's standard frequency station, \.V\~W, was destroyed by fire November 6. A temporary transmitter has been established in another building and has begun a reduced service. It broadcasts the frequency five megacycles (= 5ooo kilocycles) per second, every day (except Sunday) from Io A.M. to m

Revised standard frequency broadcasts

📂 Article 📅 1941 🏛 Elsevier Science 🌐 English ⚖ 99 KB

Revised standard frequency broadcasts

📂 Article 📅 1942 🏛 Elsevier Science 🌐 English ⚖ 152 KB

Revised standard frequency broadcasts

📂 Article 📅 1943 🏛 Elsevier Science 🌐 English ⚖ 264 KB

Revisions of the Standards

✍ Eberle, E.G. 📂 Article 📅 1922 🏛 Elsevier ⚖ 450 KB