Dulong & Petit Absolute Expansion of Mercury Apparatus Subcategory_Lab Burners forming a resonance apparatus for

forming a resonance apparatus for determining the speed of sound through frequency and wavelength investigations

Higher-range 50V multiplier for galvanometer conversion

supplied with heavy sliders whose fine index marks support precise lens and mirror positioning

and small diffraction objects in the optical-bench beam path for repeatable interference and diffraction work

Dulong & Petit Absolute Expansion of Mercury Apparatus Subcategory_Lab Burners forming a resonance apparatus forDulong 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.