Dating square cut nails sex dating in dallas city illinois

(3) In addition to the use of the dating nail, each tie should be stamped with the year, at the treating plant, before treatment, and, preferably, should be stamped on both ends. While a sample is being tested, the temperature of the standard solution shall at no time be less than 60 degrees Fahrenheit nor more than 70 degrees Fahrenheit.

Manual of the American Railway Engineering Association. 2 American Railway Engineering Association, Specifications for Dating Nails, 1931.

A nail may not be a noticeable style feature, but looking at them carefully can help you authenticate the age of a primitive or antique furniture piece before you buy.

Like restorers of historical buildings, you can identify the period by the technology used to create the nails and unlock the past of furniture.

(1) A dating nail should be driven in the upper side of every treated tie ten inches inside of the rail, and on the line side of the track. While nails are being tested, the temperature shall be at no time less than 60° F. Design The shank of nail shall be one-fourth inch in diameter and 2½ inches long; the head of nail shall be five-eighths inch in diameter and one-sixteenth inch thick, and shall bear two raised figures designating the year, the figures to be three-eighths inch long and raised one-sixteenth inch, and of the following type.

Cabinetmakers continued to use cut nails into the start of the 20th century until stockpiles were used up, so you may find either type of nail in furniture between 18.Available through is a very active community of date nail collectors and traders. (b) The standard solution of copper sulphate is prepared by dissolving 36 parts of crystallized copper sulphate in 100 parts of water, then adding enough cupric oxide to neutralize any free acid. A good introduction is through Jeff Oaks' website, Nail Scott Weed maintains a site specializing in pole nails: 1 *USE OF DATING NAILS. The solution is filtered or allowed to settle and decanted, then diluted with water until its specific gravity is 1.186 at 65° F. Later, machine did the cutting, but nails were still made one at a time.The shaft of each exhibits cutting marks where the nail is stamped out of a sheet of iron in much the same manner as a cookie cutter.

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