Logical consequences are the scarecrows of fools and the beacons of wise men. Thomas Henry Huxley
The azure lake is argent now Beneath the pale moonshine: I seek a sign of hope in heaven: Fair Polestar! thou are mine. A thousand other beacons blaze; I follow thee alone... Francis Turner Palgrave
He will make a strange combustion in the state of his soul, who at the landing of every cockboat sets the beacons on fire. Thomas Fuller
Women have burnt like beacons in all the works of all the poets from the beginning of time. Virginia Woolf
A radio signal that triggers navigational beacons could be a landing aid system for an airstrip or helicopter pad that is intended to be low-profile. Source: Internet
Also, if a tall pallet or large vehicle blocks beacons or a bar code is marred, AGVs may become lost. Source: Internet