ALABS-A137-012
Categories: Electricity Laboratory Instruments
Telegraph Set Vertical Type
Set of two units. Each unit is fitted with one morse key, one sounder
and on/off switch for battery, with two battery and two line terminals.
All connections are visible. Each unit is workable on 4-6 volts d.c.
Telegraph Set Vertical Type ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.