Charcoal Blocks for Flame Testing Capacity_5000mL Higher-impedance single-decade resistance box stepping

Higher-impedance single-decade resistance box stepping from 10k to 100k ohms in 10k-ohm increments

this EHT supply adds a center-tapped ±2

this ten-piece brass hooked weight set pairs five 50-gram and five 25-gram pieces with retractable hooks on both ends

Nineteen hardwood three-dimensional geometric shapes in a dovetailed sliding-top case

This funnel measures approximately 10" long

Charcoal Blocks for Flame Testing Capacity_5000mL Higher-impedance single-decade resistance box steppingDesigned as a reducing surface for flame testing, these charcoal blocks support mineral identification and qualitative inorganic chemistry analysis.