James W. Queen & Co. Brass Spectrometer, upper plate with dial scale marked 0-360, 11 1/2-in. horizontal enclosed silvered dial with two viewing apparatuses, magnifiers and engraved Societe genevoise a Geneve and James W. Queen, stationary telescope with rack focusing, rotating collimator arm, all resting on a cast iron tripod base, ht. 15 in.
James W. Queen & Co. Brass Spectrometer, upper plate with dial scale marked 0-360, 11 1/2-in. horizontal enclosed silvered dial with two viewing apparatuses, magnifiers and engraved Societe genevoise a Geneve and James W. Queen, stationary telescope with rack focusing, rotating collimator arm, all resting on a cast iron tripod base, ht. 15 in.
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