Illinois Society of Architects · Chicago · leaf 373
lready provide the necessary protection,then the motor shall be fitted with protectingcovers in accordance with the followingspecifications: Commutator or Slip Ring End of Motors:The commutator or slip rings shall be pro-tected by hinged covers of such dimensionsthat when opened, all parts… … No. HS-31
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
