The use of conducting paint for recording hatching times

@article{Salter1966TheUO,
  title={The use of conducting paint for recording hatching times},
  author={S. H. Salter and Margaret Vince},
  journal={Medical and biological engineering},
  year={1966},
  volume={4},
  pages={283-284}
}
IN EXPEmM~NTS on incubation it can be important to know exact times of hatching for individual eggs. A simple way of doing this is to use the egg's weight to actuate a microswitch in series with an electric clock: on hatching the chick rolls away and the clock stops. This method, however, is cumbersome with large numbers and cannot be used where eggs are… CONTINUE READING