TELEVISION OBSERVATIONS FROM MARINERS 6 AND 7 … Figure 5-9. - Mosaic of polar cap pictures, (a) Frames 7N10 through 7N20. Effects of auto- matic gain control are clearly evident near the terminator (right) and at the edge of tlie polar cap. (b) Frames 7N11 through 7N19, taken with the wide-angle camera. The effects of automatic gain control have…
![An illustration from Catalogue of the international exhibition of contemporary medals. March, 1910 [electronic resource] (1911)](https://img.insideoutlibrary.com/img/200/ia-bml-NK6310_Am3-161-180.webp)
