lung-tester

And again, an "itinerant" came along with a machine known as a lung-tester; one fair-haired, slender youth, having fears he would fall below the average, made so great an effort as seriously to impair his health for the time.

Minnesota; Its Character and Climate Likewise Sketches of Other Resorts Favorable to Invalids; Together With Copious Notes on Health; Also Hints to Tourists and Emigrants. Ledyard Bill

The steam-cylinders act on the boiler a good deal as a lung-tester acts on a human being; the cylinders draw out the steam from the boiler, requiring a roaring fire to make the vapour rapidly enough and keep up the pressure.

Stories of Inventors The Adventures of Inventors and Engineers Russell Doubleday 1910

"Ah, the adorable Sadie!" says he, rollin 'his eyes, and puffin' out his cheeks like he was tryin 'the lung-tester.

Shorty McCabe Sewell Ford 1907

Things to eat is no more grafts as lung-tester is fire-extingables.

Kilo : being the love story of Eliph' Hewlitt, book agent Ellis Parker Butler 1903

Said he couldn't bear to look at a lung-tester any more, they made him feel so ashamed, and what made it all the worse was that he had to look at them all day. "

Kilo : being the love story of Eliph' Hewlitt, book agent Ellis Parker Butler 1903