Telegraph block instrument; BR (LNWR-Fletcher's Style)
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Telegraph block instrument; BR (LNWR-Fletcher's Style). Combined 2-needle absolute pegging/non-pegging 3-position/3-indication. Traffolyte-plated "Lostock Hall Carriage Sdgs", with circular bakelite-commutator and blockbell-tapper at bottom RHS with underslung bell-dome.
