represents a device adapted for in- 3 with the front plates or guideways removed. The servation. The gibbosity of the planet is pretty con- sertion in electrical lines, to discharge the lines when siderable at the present time. Had there been evidence sight is attached to the barrel by means of a… … ble, is some time off. The Martians, of course, find it much easier having a dovetail block or rib on its under side to en- ter a corresponding groove in the barrel. The sight dark side of Mars, and whatever may be the explanation comprises a body section, to which a face plate is of the…
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