| RGO Archives/RGO 47/2223-2260 contains: |
| <-- See earlier |
| 2241 |
Newcastle Journal and Newcastle Evening Chronicle Two extracts relating to the polishing of the AAT 150-inch mirror by Sir Howard Grubb, Parsons & Co. Ltd. |
| 2242 |
American Society of Tool and Manufacturing Engineers technical paper. "Laser Alignment in Industry" by M R Hamar of Hamar Laser Instruments Inc |
| 2243 |
"Sky and Telescope" advertisement for Boller and Chivens Photoelectric Stellar Guider and Focuser model 26777 |
| 2244 |
Australian Journal of Science vol. 32 no.12 "The Anglo-Australian 150-inch Telescope" by S C B Gascoigne of the Mount Stromlo Observatory |
| 2245 |
"Machine Design. Controlling Electrical Circuits with Light" by M G Leonard, Associate Editor |
| 2246 |
"Physics Today" advertisement for Computer Aided Measurement and Control, flexible modular interface system, by Nuclear Enterprises Inc., California/Nuclear Enterprises Ltd., Reading |
| 2247 |
Applied Optics vol. 9 "Experimental Evaluation of Geometric Accuracy and Stability of the Image Orthicon Astronomical Applications" by W T Powers and J Burns |
| 2248 |
Proceedings of the Eleventh Colloquium of the International Astronomical Union, Edinburgh 1970 "The Edinburgh Automatic Star Follower" by G R Adam of the Royal Observatory, Edinburgh |
| 2249 |
"Optics and Laser Technology. Autocollimating focus sensor for optical systems of high angular resolution" by J R Vyce of the Itek Corporation, Lexington Massachusetts |
| 2250 |
"The Chartered Mechanical Engineer. Externally Pressurised Bearings" Notes on a conference to be held at Lanchester Polytechnic, Coventry on 1971 April 14-15 |
| 2251 |
Applied Optics vol.10 no.4 "Theoretical Elastic Deformations of Solid and Cored Horizontal Circular Mirrors Having a Central Hole on a Ring Support" by L A Selke |
| See later --> |