"Strength of lungs indicated by number of miles travelled. TWENTY SHILLINGS REWARD WILL BE PAID ON CONVICTION OF ANY PERSON PLACING RUBBISH IN THE SLOT OR OTHERWISE DAMAGING THIS MACHINE" reads the little notice. On half penny play, this was originally designed as a two player game with air tubes on both sides. Players competed to push a figure on a bike and a figure on foot up the hill by blowing down the tubes. A plaque identifying it as the property of Mr Rowland of Manchester suggests this is a Doughty & Barrett product. Lung-testers (or spirometers) made a brief appearance in bars and other public establishments before being implicated in the spread of TB.