 | 1873 - 1078 pages
...favorable for the 'construction of the gateway, offering rock-foundations throughout As shown, Fig. 71, the channel of the aqueduct is widened, and the water...the bulkhead aa, then passes the screen-frame, a set ol guifd-gates, and a set of regulating gates. The screen, formed of oak slabs, six inches by one,... | |
 | Park Benjamin - 1878 - 994 pages
...tho the distributing -reservoir 61 1702 offering rock-foundations throughout. As shown in Fig. 20S, the channel of the aqueduct is widened, and the water...and a set of regulating-gates. The screen, formed of oak slabs 6 inches by 1, allowed a quantity of fish to pass through the 1-inch spaces into the aqueduct.... | |
 | Park Benjamin - 1884 - 1002 pages
...rock -foundations throughout. As shown in Fig. 205, the channel of the aqueduct is widened, and t\ie water runs through an arch in the bulkhead aa, then passes the screen-frame, a set of gawd-gates, and a set of regulating-gates. The screen, formed of oak slabs 6 inches by 1, allowed a... | |
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Fig. 20S, the channel of the aqueduct is widened, and the water runs through an arch in the bulkhead aa, then passes the screen-frame, a set of guard-gates, and a set of regulating-gates. The screen, formed of oak slabs 6 inches by 1, allowed a quantity... 