Portable Stethoscopes
Portable stethoscope, c. 1890 with the parts screwed together and taken apart. The two stem pieces fit into the two holes in the ear piece for easy carrying.
Brass monaural stethoscope with a swivel joint for portability, circa 1890. On the right the stethoscope is upright and on the left the swivel joint is bent at a right angle for carrying.
Quain telescoping stethoscope where the chest-end screwed onto the stem ear-end for auscultation and could be unscrewed for ease of carrying, circa 1880. The photos show the two parts screwed together for auscultation and the chest-end screwed on top of the stem ear-end for carrying.
Roberts stethoscope made of ivory, circa 1880. On the right the stem is shown inserted thru the earpiece for easy portability and on the left the stem is screwed upright into the ear piece for auscultation.