Dulong & Petit Absolute Expansion of Mercury Apparatus Capacity_500mL Wood-based friction board apparatus with

Wood-based friction board apparatus with a 19-inch metal surface plus two hooked friction sliders with different top materials for comparative sliding-friction investigations

and brass strips radiating to the rim

letting students snap cord directly into place for faster classroom setup and teardown

Lamp-house assembly dimensioned as the matched replacement unit for optical bench and light-source apparatus when the original housing reaches end of life

sized for compact precision-resistor windings and thermocouple junctions in student-built apparatus

Dulong & Petit Absolute Expansion of Mercury Apparatus Capacity_500mL Wood-based friction board apparatus withDulong and Petit mercury expansion apparatus with two glass limbs in 460 by 25mm heated jackets, twin upper arms indexed against a silvered 0 120mm scale for coefficient work.