Power Supply - Railways

Correspondence, minutes and memoranda concerning improvements to substations and power houses including details of cable runs at substations, power supplies to new substations, the provision of equipment for substations and power houses, an increase in the capacity of conductor rails, short-circuiting devices, the provision of insulated tools and rubber mats, and the tenants' current supply at stations. Also includes a translation of a German article entitled 'Ten Years of Electric Operation by the Berlin S-Railway'.

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