. Catalogue : mathematical and engineering instruments and materials manufactured and imported by James W. Queen & • 52 JAMES W. QUEEN & CO., PHILADELPHIA. Nq A 401. A 402. A^^P ammeter, . olar PianiIneter for lJhg. pRKfc $ ?^ ?a ? 2M

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Keywords: ., bookauthorjameswqu, bookcentury1800, bookdecade1880, bookyear1880