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- Creamery Package Mfg. Co. Sediment Tester, circa 1915 -
- circa 1915
- Collections - Artifact
Creamery Package Mfg. Co. Sediment Tester, circa 1915
- General Electric Type CG-4023 Antenna Tester Unit, 1919 -
- 1919
- Collections - Artifact
General Electric Type CG-4023 Antenna Tester Unit, 1919
- Hoof Tester - To better diagnose hoof injuries in horses, veterinarians apply light pressure to different points on the bottom of the hoof with a hoof tester. During the examination, veterinarians observe the horse’s reaction, noting any sensitivity or other irregularities.
- Collections - Artifact
Hoof Tester
To better diagnose hoof injuries in horses, veterinarians apply light pressure to different points on the bottom of the hoof with a hoof tester. During the examination, veterinarians observe the horse’s reaction, noting any sensitivity or other irregularities.
- Circuit Tester Used in a Television Servicing Correspondence Course, circa 1977 -
- circa 1977
- Collections - Artifact
Circuit Tester Used in a Television Servicing Correspondence Course, circa 1977
- Hoof Tester - To better diagnose hoof injuries in horses, veterinarians apply light pressure to different points on the bottom of the hoof with a hoof tester. During the examination, veterinarians observe the horse’s reaction, noting any sensitivity or other irregularities.
- Collections - Artifact
Hoof Tester
To better diagnose hoof injuries in horses, veterinarians apply light pressure to different points on the bottom of the hoof with a hoof tester. During the examination, veterinarians observe the horse’s reaction, noting any sensitivity or other irregularities.
- Mullen Paper Tester, circa 1901 - In the late 1880s, John Mullen developed a test -- and a testing device -- to assess the strength and quality of paper goods. The Mullen test involves placing a paper sample over a rubber diaphragm, then inflating the diaphragm until the sample bursts. The device's pressure gauge records the measurement. Though testers have evolved, Mullen's eponymous test remains an industry standard.
- circa 1901
- Collections - Artifact
Mullen Paper Tester, circa 1901
In the late 1880s, John Mullen developed a test -- and a testing device -- to assess the strength and quality of paper goods. The Mullen test involves placing a paper sample over a rubber diaphragm, then inflating the diaphragm until the sample bursts. The device's pressure gauge records the measurement. Though testers have evolved, Mullen's eponymous test remains an industry standard.