ve a great deal of satisfaction from star gaz- into things for pleasure or profit, has at hand optical appliances capable of double use which would permit ing, and when a compound erecting eye piece is bor- A New Process for Aluminum. rowed, even from a small spy glass, the combina- of greatly… … The native clay is useless. In fact, the only available stage does not interfere with the operation of the in- OBJECTIVES USED AS ETE PIECES. strument. mineral for the purpose is bauxite, which is an im- Focusing is done by means of the milled head pure oxide of aluminum." uses were to suggest…
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