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 Class   191ELECTRICITY: TRANSMISSION TO VEHICLES
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  1R           MISCELLANEOUS
  1A           . (1 indent ) Electroplating contact rolls
  2           SYSTEMS OF DISTRIBUTION
  3           . (1 indent ) Convertible, multiple current source
  4           .. (2 indent ) Internal and external
  5           .. (2 indent ) Alternating direct
  6           . (1 indent ) Sectional
  7           . (1 indent ) Alternating-alternating
  8           . (1 indent ) Safety cut-out
  9           DRAWBRIDGE AND TRANSFER TABLE
  10           MAGNETIC INDUCTION
  11           VEHICLE IN SERIES
  12R           FLEXIBLE EXTENSIONS
  12.2R           . (1 indent ) Reels
  12.4           .. (2 indent ) With connector plug or receptacle
  12.2A           .. (2 indent ) Motor-operated
  12S           . (1 indent ) Electric iron stands
  12C           . (1 indent ) Chain protectors
  13           PLATE CONDUCTOR
  14           SECTIONAL CONDUCTOR
  15           . (1 indent ) Normally live section
             . (1 indent ) Normally dead section
  16           .. (2 indent ) Magnetomechanical circuit controller
  17           .. (2 indent ) Magnetic circuit controller
  18           ... (3 indent ) Magnet on vehicle
  19           .... (4 indent ) Traveling controller
  20           .. (2 indent ) Mechanical circuit controller
  21           ... (3 indent ) Deformable conductor
  22R           CONDUCTORS
  23R           . (1 indent ) Conduit
  24           .. (2 indent ) Asymmetric
  25           .. (2 indent ) Closing
  26           .. (2 indent ) Draining
  27           .. (2 indent ) Heated
  28           .. (2 indent ) Special modifications
  23A           .. (2 indent ) Overhead conduit conductors
  29R           . (1 indent ) Third rail
  30           .. (2 indent ) Protected
  31           ... (3 indent ) Closing
  32           .. (2 indent ) Supports
  29DM           .. (2 indent ) Conductor made from different materials
  33R           . (1 indent ) Trolley
  34           .. (2 indent ) Nonunderrunning
  35           .. (2 indent ) Guarded
  36           .. (2 indent ) Special intersections
  37           .. (2 indent ) Crossings
  38           .. (2 indent ) Switches
  39           .. (2 indent ) Section insulators
  40           .. (2 indent ) Supports
  41           ... (3 indent ) Catenary
  42           ... (3 indent ) Combined ears and insulator
  43           ... (3 indent ) Ears
  44           .... (4 indent ) Splices
  44.1           .. (2 indent ) Splicers
  33PM           .. (2 indent ) Cables made of multiple material
  22C           . (1 indent ) At or below ground surface
  22DM           . (1 indent ) Rail, made of multiple materials
  45R           COLLECTORS
  46           . (1 indent ) Convertible
  47           . (1 indent ) Bar
  48           . (1 indent ) Conduit plow
  49           . (1 indent ) Third-rail shoe
  50           . (1 indent ) Trolley
  51           .. (2 indent ) Common wire passing
  52           .. (2 indent ) Detachable
  53           .. (2 indent ) Nonunderrunning
  54           .. (2 indent ) Indefinite path
  55           ... (3 indent ) Bow
  56           ... (3 indent ) Roller
  57           .. (2 indent ) Multiple contact
  58           ... (3 indent ) Tandem
  59           .. (2 indent ) Heads
  59.1           ... (3 indent ) Sliding contact
  60           ... (3 indent ) Swivel
  60.1           .... (4 indent ) Center bias
  60.2           ... (3 indent ) Lateral swing
  60.3           ... (3 indent ) Vertical swing
  60.4           ... (3 indent ) Axial slide
  60.5           ... (3 indent ) Pole couplings
  61           ... (3 indent ) Wheel to head contactor
  62           ... (3 indent ) Ice clearers or preventers
  63           ... (3 indent ) Wheels
  63.1           .... (4 indent ) Quick release
  63.2           .... (4 indent ) Lateral slide
  63.3           .... (4 indent ) Universal mount
  63.4           .... (4 indent ) Slidable pins
  63.5           .... (4 indent ) Pin fasteners
  64           .. (2 indent ) Poles
  65           ... (3 indent ) Frames
  66           .. (2 indent ) Stands
  67           ... (3 indent ) Fluid pressure erector
  68           ... (3 indent ) Spring erector
  69           .... (4 indent ) Torsion
  70           .... (4 indent ) Tension or compression
  71           .. (2 indent ) Rope protectors
  72           .. (2 indent ) Guards and finders
  73           ... (3 indent ) Constantly operative
  74           .... (4 indent ) Fixed
  75           .... (4 indent ) Spiral cam replacer
  76           .... (4 indent ) Star wheel
  77           ... (3 indent ) Normally operative
  78           .... (4 indent ) Automatic
  79           .... (4 indent ) Rope-retracted
  80           .... (5 indent ) Lateral swing
  81           .... (5 indent ) Longitudinal swing
  82           ... (3 indent ) Normally inoperative
  83           .... (4 indent ) Automatic
  84           .... (4 indent ) Rope-actuated
  85           . (1 indent ) Trolley retrievers
  86           .. (2 indent ) Erector release
  87           ... (3 indent ) Fluid pressure erector
  88           ... (3 indent ) Spring erector
  89           .... (4 indent ) Toggle
  90           .. (2 indent ) Fluid pressure-retracted
  91           .. (2 indent ) Spring-retracted
  92           ... (3 indent ) Rope-actuated
  93           .... (4 indent ) Slack take-up
  94           .. (2 indent ) Weight-retracted
  95           . (1 indent ) Nonretracting trolley stops
  45A           . (1 indent ) Suspended conveyors
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS


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