San Francisco (Calif.). Board of Supervisors · San Francisco, Cal. : Board of Supervisors of the City and County of San Francisco · leaf 468
bines connected to 125-250volts No. .T wire direct current generators, operating non-con- panels of the main switchboard by means of extra set of buebarBand double throw switches. In that case, all power service couldbe taken care of by the remaining turbines in commission. Toprovide for such… … NEW POWER HOUSE AND LAUNDRY BUILDING OF SAN FRANCISCO HOSPITAL ON POTRERO AVENUE. Icnsiug with s[pace for a Hfth turbine that may be installed inthe future. At the north end of the turbine room will be installed themain switchboard for the distribution of power and lightingservice to tlie main…
Civic improvement · City planning · Public works
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from XIXe [i.e. Dix-neuvième] siècle (en France); classes - moeurs - usages - costumes - inventions. Ouvrage illustré d'un front. chromotypographique, de 16 planches coloriées aux patrons, de 36 entetes et lettres ornées et de 487 gravures (dont 24 tirées hors texte) d'après les principaux artistes du siècle (1893)](https://img.insideoutlibrary.com/img/200/ia-xixeiedixneuvi00granuoft-182-97.webp)
