A MACHINE FOR STAMPING ENVELOPES ETC. DINSMOOR'S STAMP AFFIXING MACHINE. A NEW FIELD GLASS. A BEDCLOTHES FASTENER. JOY'S BEDCLOTHES FASTENER. over the pawl. THE STEREOSCOPIC FIELD GLASS. THE ZEISS STEREOSCOPIC FIELD GLASS., scientific american, 1897-03-06
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