File:Scientific American Volume 35 Number 03 (July 1876) (1876) (14776523194).jpg

Identifier: scientific-american-1876-07-15 (find matches)
Title: Scientific American Volume 35 Number 03 (July 1876)
Year: 1876 (1870s)
Authors:
Subjects: improved consists steam scientific iron tion lever patent scientific american paraffin cutting speed cash gifts horse power twelve hours paraffin oil tuning fork carbonic acid grand cash ant lion
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appling fork represented in the annexed engraving.The apparatus is adapted for handling hay, manure, andlike materials by horse power. It also may be employedfor removing stones, etc., from the bottoms of shallowponds, and will find various other convenient utilizationsabout a farm. The curved tines. A, are pivoted to each other, and upontheir upper ends are formed rigid bails. To the ends of thepivot bolt is pivoted a clevis, D, to which the hoisting ropeis attached, as shown. To the bails of the arms are coLUec-ted the pivoted levers, F, the lower end of one of which isslotted to admit of the passage through of the other. Theinner lever has several notches formed in it to receive thepivot bolt, so that the fork may be locked with the points ofthe tines close together or at any distance apart. The levers,F, are governed by ropes, H. By this construction, the weightof the fork and load is entirely supported by the clevis, D,so tlmt the levers may be easily operated by the trip rope to
Text Appearing After Image:
cause the discharge. In handling mud and other fine sub-stances, the plates, J, are easily attached to the tines, and actas shovels. © 1876 SCIENTIFIC AMERICAN, INC. July 15, 1876.) MtntHU ^mtxian. 39 TABIOUS SFECIZS OF AHT LIONS. The neuroptera are an order of insects known by the pos-session of four equal-sized membranous wings, divided intoa great number of little cells, technically called areolets.The mouth is furnished with transversely movable jaws, andthe females do not possess a strong or a valved ovipositor. Inthis order are comprised the dragon flies, May flies, termites,lace wings, and lastly, the very curious insects which formthe subject of our engraving herewith given, the ant lion.The interesting period of the life of these creatures occursduring their larval state. They then appear as representedat 4 a in the illustration. The shape is ovoid, color a red-dish gray, and the body is covered with down. They resembleflattened maggots with rather long legs and very large j

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