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\section{Conclusion}  The lab was an overall success considering the group took around 132 sets of data and suprisingly not much went wrong in the process of acquiring the data. At times the liquid helium got lower than we wanted but the data was stil useable. First,second, and fourth sound were measured and found to agree with theory to a degree. First sound agrees very closely with theory even with a "dent" a $T_{\lambda}$. Second sound should have dropped off more quickly as it approached $T_{\lambda}$ but it still has the same shape as expected. Fourth sound, both with and without correction, dont fall as sharply as expected as well but again the shape is consistent with the concept of fourth sound dropping to 0 at $T_{\lambda}$. This could be explained by the lack of liquid helium as the lab got on in time so data as temperature gets increased becomes less clear and with less fluid there is less medium for the sound modes to propagate through.   \subsection{References}  \noindent [1]=Williams, $[1]$-Williams,  G. A. (2007) Wave Modes in Liquid Helium, in Encyclopedia of Acoustics, Volume Two (ed M. J. Crocker), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470172520.ch59