Charcoal Blocks for Flame Testing Subcategory_Lab Jacks 1% accuracy on double silk-covered

1% accuracy on double silk-covered constantan windings

letting students drive the lamp directly or send the slow AC output to a meter or oscilloscope

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

equivalent in application to the primary 12 mm model for laboratory fluid and gas connections between glassware

Charcoal Blocks for Flame Testing Subcategory_Lab Jacks 1% accuracy on double silk-coveredDesigned as a reducing surface for flame testing, these charcoal blocks support mineral identification and qualitative inorganic chemistry analysis.