Sensitive speaker to give audible indication of each output.
Digital cost-effective, the price even lower than the mechanical type of Sherrington drum. Maintenance-free. 16 x 2 LCD Display.
Heating chamber with two lamps at either side and these could be used singly or together. The anesthetic bottle has ground top and is easily removable for filling or cleaning. On top of the plate is a cock for regulating the amount of air passing through the bottle.