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- PCR-MATE Model 391 DNA/RNA Synthesizer, 1991-1993 -

- 1991-1993
- Collections - Artifact
PCR-MATE Model 391 DNA/RNA Synthesizer, 1991-1993
- Box with Valve Stem Covers and Fasteners - The valve stem on a pneumatic tire housed the valve that allowed air to be pumped into the tire during inflation and kept it from escaping. The valve stem cover or cap prevented dirt and debris from entering the stem and damaging the valve. Missing or broken valve stem covers could be replaced with parts like these.

- Collections - Artifact
Box with Valve Stem Covers and Fasteners
The valve stem on a pneumatic tire housed the valve that allowed air to be pumped into the tire during inflation and kept it from escaping. The valve stem cover or cap prevented dirt and debris from entering the stem and damaging the valve. Missing or broken valve stem covers could be replaced with parts like these.