Spencer, Browning & Rust
... that a Spencer, Browning & Rust sextant is one of the oldest items in the collection of the United States Geological Survey Museum?
... that a <b id="mwAdI"><a href="./Spencer,_Browning_&amp;_Rust" id="mwAdM" rel="mw:WikiLink" title="Spencer, Browning &amp; Rust">Spencer, Browning &amp; Rust</a></b> <a href="./Sextant" id="mwAdQ" rel="mw:WikiLink" title="Sextant">sextant</a> <i id="mwAdU">(pictured)</i> is one of the oldest items in the collection of the <a href="./United_States_Geological_Survey" id="mwAdY" rel="mw:WikiLink" title="United States Geological Survey">United States Geological Survey</a> Museum?