Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 749
EiG. 6. SEDGWICK HAND POWERELEVATOR … Fig. 7. SEDUWlCbw HAM) IOWERELEVATOR MACHINE Continued on Next Page HAND POWER LIFTS 679 SEDGWICK MACHINE WORKS SIDEWALK and CELLAR HOIST (Fig. 8) —These machines have improvements contained inno other make, and the machine-work and fittingis equalled by few. All parts are of amplestrength. The…
Building materials
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