Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 376
354 VAN NOSTRAND'S ENGINEERING MAGAZINE. … wheels 6 to 7 ft., diameter of wheels 6.} to The brake is a simple iron strap or rope 7 ft., bearing pin on ends 2| in. by 4 in. applied as shown in Fig. 1., and a wooden The manner of securing the iron bearing pawl is used to fall from above against the pin and plate to the end of the oak shaft is…
Engineering
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