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A single-lens telescope

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

A gas-lens telescope

✍ Michaelis, M. M.; Dempers, C. A.; Kosch, M.; Prause, A.; Notcutt, M.; Cunningham 📂 Article 📅 1991 🏛 Nature Publishing Group 🌐 English ⚖ 217 KB

Telescopic gradient lens

✍ Il'inskii, R. E. 📂 Article 📅 2000 🏛 Optical Society of America 🌐 English ⚖ 32 KB

Lens Equation for Telescopes

✍ HARDY, ARTHUR C. 📂 Article 📅 1969 🏛 Optical Society of America ⚖ 614 KB

Lens structure for giant refractor teles

✍ Gold, Louis 📂 Article 📅 1976 🏛 The Optical Society 🌐 English ⚖ 860 KB

A galactic gravitational lens as the ult

✍ McBreen, B.; Metcalfe, L. 📂 Article 📅 1987 🏛 Nature Publishing Group 🌐 English ⚖ 373 KB

Ultrasonic system for cleaning space tel

📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 856 KB