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Historical Summary of Coal-Mine Explosions in the United States, 1810-1958

Description: Purpose of Review: "The purpose of this review is to relate the growth of explosion hazards to the increased number and size of the coal mines and the changes in mining methods. The causes of explosions during each period of years are discussed to show progress or its lack in controlling or eliminating different causes."
Date: 1960
Creator: Humphrey, H. B.
Partner: UNT Libraries Government Documents Department


Description: Bonnet of blue silk. Brim is hand-quilted in square corners and curving lines that follow the shape of the brim in even lines. The brim is composed of 3 pieces of silk fabric, which are pieced together and then quilted. Cotton used as batting material throughout. The crown is entirely quilted in rows of horizontal stitching and radiating circles. The tail has L-shaped quilting, which echoes the front edge of the tail. The chin ties are striped silk ribbons. Some areas of fabric loss and shattering on bonnet and ties.
Date: 1840
Partner: UNT College of Visual Arts + Design