Test film, polystyrene, NIST traceable, set of 2 films each mounted in 2 x 4 in card holder that fits into universal slide mount. Includes certificate of traceability to five NIST 1921b frequencies
- Unit of Measure:
- EA
Test film, polystyrene, NIST traceable, set of 2 films each mounted in 2 x 4 in card holder that fits into universal slide mount. Includes certificate of traceability to five NIST 1921b frequencies
