Beam Alarm

  • Model #N/A
  • ManufacturerAdemco
  • Product TypeBurglar Alarm
  • MaterialsN/A
  • MarketN/A
  • PeriodN/A

Description

Photo beams were very popular in the 50's and 60's for burglary detection. This mirror was placed to bend (bounce) the beam to increase detection at angles.