tus is always free, even with one terminal of the battery, and the cartridge cartridge exhaustion of the magazine wheel is con- after this has been filled with several electrocuted ani- cap itself with the other terminal, the circuit being veyed to the signal operator. When the magazine has mals,… … ment the rat prepares itself to enter one of the pigeon- again. The empty cases can be collected, and may be Top view of trap with lid raised, showing holes of the apparatus. Fig. 2 represents the electric recharged, which serves to reduce the working cost of electrocuted rat. trap open, with an…
Apparatus · Pole · Patents · Munn · North Pole · Scientific American · Sheet metal · Producer gas · Latin America · Gas engines · Horizontal rudder · Triple action · Hot water · Practical treatise
Internet Archive · Public domain (published before 1931). Free to use for anything.
