6B10.35 - Paraffin Block - Grease Spot Photometer
- Thomas B. Greenslade, Jr., "Bunsen's Grease-Spot Photometer", AJP, Vol. 91, #3, March 2023, p. 213.
- Robert Ehrlich, "10.9: An Oil Light Meter", Why Toast Lands Jelly-Side Down, p. 165.
- Joseph Frick, "#155 & 156 - The Photometer & Bunsen's Photometer", Physical Technics: Or, Practical Instructions for Making Experiments in Physics and the Construction of Physical Apparatus with the Most Limited Means", p. 180 & 182.
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