Pl. 9 Antique Map of the Air Movement of the United States by Walker '1874'

1874 · Maps

Pl. 9 Antique Map of the Air Movement of the United States by Walker '1874'

Name: Pl. 9 Antique Map of the Air Movement of the United States by Walker '1874'
Brand: American Maps and Prints
SKU: BG-11875-41
Price: 560 USD
Availability: InStock

$560

€500 · dollar price at today's exchange rate

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Shipping to the United States: $51 standard, $73 express, insured and tracked.

Date: 1874
Kind: Maps
Size: 55 × 79 cm (21.7 × 31.1 in)
Condition: Good. Original folding line. General age-related toning, minor wear. Blank verso, please study image carefully.
Period: The Gilded Age
Reference: BG-11875-41

What the condition grades mean

Excellent: Bright and clean, with no faults worth mentioning.
Very good: Only light signs of age, such as faint toning.
Good: Normal signs of age for a sheet of this period: toning, some foxing, small marks or neat old repairs.
Fair: Clear faults such as staining, tears or repairs, priced to match.

Every fault we see is written in the condition note, and the whole sheet is shown uncropped in the photos.

Guaranteed original. This is an original of the period stated, not a later reproduction or print-on-demand copy. If it is ever shown to be otherwise, we refund you in full.

Shipping to the United States. Sent from our gallery in Langweer, the Netherlands, flat between boards or rolled in a tube, and fully insured. Delivery and import charges.

About this piece

A weather chart of the United States, titled "U.S. Signal Service chart, showing annual means of barometer and total movement of air with resultants from June 1872 to May 1873 inclusive." It is a color-printed double-page sheet from the Statistical Atlas of the United States based on the results of the ninth census, compiled by Francis A. Walker and published in 1874, numbered Pl. IX and X at the upper corners.

The lettering states that the chart was compiled from data collected at the Office of the Chief Signal Officer of the Army. A pale base map of the country, with rivers, lakes and state lines, carries curving pink lines that trace the resultant air movement from the Pacific coast across the interior to the Atlantic seaboard and the Gulf. Small brown wedges at observing stations record the movement of air at those points, and a scale of miles appears at the lower right. Baja California, the Gulf of Mexico, Florida, Cuba and the Bahamas complete the frame.

The Signal Service, an Army body, ran the first national network of weather stations in these years, and this plate shows the early use of its observations in a census atlas.

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