s its river work the absence of screws is particularly to be It is probable tliat the most conspicuous example of function is merely auxiliary to the main work to be appreciated, on account of their liability to entangle- its use is in the Blackwall tunnel under the Thames, done by the shield. ment… … THE DAIMLER SIDE WHEEL lAITNCH PRISCILLA. employed, the externa! diameter of the tunnel being stances surrounding the work under Broadway, it may small a side-wheeler is in itself a novelty. The motor 87 feet, as against 81 feet, the diameter of the St. Clair be of interest to state that it was in…
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