Maximum and Minimum Thermometers (United States Weather Bureau pattern), mounted together on one board, $6.25.
Wet- and Dry-Bulb Thermometers (United States Weather Bureau pattern), mounted on one board, complete with water cup, $6.50.
Sling Psychrometer (designed by Professor C. F. Marvin, of the United States Weather Bureau), consisting of two exposed mercurial thermometers, mounted on an aluminum back, and provided with polished, turned hard-wood handle and brass trimmings, $5.00.
Sling Psychrometer, consisting of two cylindrical bulb thermometers, mounted one a little above the other upon a light brass frame, with a perforated guard to protect the bulbs while swinging, but which can be raised (by sliding upon the frame) for the purpose of moistening the linen covering of the wet bulb. Much less liable to be broken than the Weather Bureau pattern, $5.00.
Rain Gauge (United States Weather Bureau standard), 8 inches in diameter, complete, with measuring stick, $5.25.
Rain Gauge, 3 inches in diameter, with overflow and measuring stick, $1.25.
Wind Vane (United States Weather Bureau pattern), $10.00.
Anemometer (United States Weather Bureau pattern), with indicator, aluminum cups, and electrical attachment, $25.00.
The same, with painted brass cups, $23.00.
Anemometer Register (United States Weather Bureau pattern), with pen and ink attachment, $35.00.