ACCESSION NUMBER: 1973.5.32 Object Name: Yankauer ether mask Maker: J. F. Hartz Co. Date Made: 1930 Country of Origin: Germany MeSH Code: Medical Subject Headings Anesthesiology; Anesthesiology — instrumentation; Anasthesia; Inhalation; Inhalation — inhaler/mask; Inhalation — inhaler/mask — mesh ARTEFACT DESCRIPTION … Continue reading Yankauer ether mask