
PChemLabTXT | page 574 | https://thedailydialectics.com/pdfs/education/chemistry/p-chem/PChemLabTXT/PChemLabTXT.pdf
ic Confirming Pages Thermometers 563 an outer glass shell. The enclosed-scale type is preferable for thermometers with extremely fine threads, largely because it suffers less from parallax in reading. Since the mercury in the thread, as well as that in the bulb, is susceptible to thermal expansion,…