Soldering Iron, Model B Heat & Thermodynamics_Temperature & Heat Low-form porcelain crucible with lid

Low-form porcelain crucible with lid holds 17mL for high-temperature combustion

cushioning glassware against the powder-coated zinc body

Open back reveals spine and posterior musculature while the head section preserves upper-body context

Two-ohm wire-wound fixed resistor in an ABS module with 4mm sockets

and following the highest standards of quality control

Soldering Iron, Model B Heat & Thermodynamics_Temperature & Heat Low-form porcelain crucible with lidHigher output 65 watt soldering iron with a wooden bakelite handle, sized for heavier gauge electronics work and laboratory wiring where the 25W iron heats too slowly to flow solder.