Vintage Yellow BD Glass Fever Thermometer & Case HEEF model -Made in USA -Stored in Smoke-Free climate-controlled environment This vintage yellow BD glass fever thermometer and case, model HEEF, is a rare find for collectors of scientific instruments. Made in the United States, this thermometer is a great addition to any collection related to science and medicine. The beautiful yellow color and vintage design make it a unique piece that is sure to catch the eye of any collector. The thermometer and case are in excellent condition and have been well-preserved over the years. The thermometer is made of high-quality glass and is marked with the brand name BD. The case is also made of durable materials and features a classic design that is both stylish and functional. This is a must-have item for any collector of scientific instruments and is sure to be a prized possession for years to come.