উন্নত করার কিছু দেখছেন? একটি পরিবর্তন প্রস্তাব করুন।
Jonas Salk used this syringe during the testing of his polio vaccine. In the early tests carried out in 1952 and 1953, Salk gave all the vaccinations himself. The first subjects included children at the D. T. Watson Home for Crippled Children, residents of the Polk State Home, Salk, and members of his laboratory staff. In 1953, the first community-based, pilot vaccine trial was carried out with volunteer families in the Pittsburgh area. A second pilot trial included thousands of Pittsburgh schoolchildren. The success of these early tests paved the way for the Salk Vaccine National Field Trial of 1954.
| date made | ca 1950 |
| maker | Becton, Dickinson and Company |
| Physical Description | glass (plunger; barrel; tip material) |
| Physical Description | steel (handle; needle material) |
| Measurements | overall: 10.4 cm x 2.8 cm x 1 cm; 4 3/32 in x 1 3/32 in x 13/32 in |
| Measurements | overall: 4 1/8 in x 1 1/8 in x 3/8 in; 10.4775 cm x 2.8575 cm x .9525 cm |
| Credit Line | Gift of The National Foundation for Infantile Paralysis |
| ID Number | MG.221419.07 |
| catalog number | 221419.07 |
| accession number | 221419 |
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