\section{To Cadwallader Colden, February 26, 1763}

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DATE:&1763, February 26\\
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FROM:& BF (Philadelphia) \\
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TO:& Cadwallader Colden \\
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PBF:&10:205\\
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\begin{Intro}
Remarks in passing about inventing a 'new musical instrument':
\end{Intro}

Dear Sir:

\ldots

While in England, after my chief Business was over, I amus'd myself, with contriving and bringing to a considerable Degree of Perfection, a new musical Instrument, which has afforded me and my Friends a great deal of Pleasure; but the Description of it would make this Letter, already too long, much longer.\ldots