HYDROMETER, Baume Scale—For heavy liquids, without thermometer. Range: 0 to 70° in 1° divisions. Temperature standard, 60° F. Approximately length, 11 inches.

HYDROMETER, Baume Scale—For heavy liquids, without thermometer. Range: 0 to 70° in 1° divisions. Temperature standard, 60° F. Approximately length, 16 inches.

HYDROMETER, Specific Gravity Scale—For heavy liquids, without thermometer.

HUMIDIGUIDE, Hampton, Taylor—A direct reading hygrometer of modern design in satin black case. 6x4x1¾ inches. with chromium reed trim. The dial is grained aluminum with indoor thermometer to match. This instrument gives relatives humidity and air temperature at a glance.

HUMIDIGUIDE, Mason, Taylor—With Permacolor tubes with magnifying lens, indoor temperature range. Scales have burnished metal figures and graduations on a polished lacquer background. The frame is mahogany finish bakelite with revolving humidity table and easy filling reservoir. Complete with spare wicks and instructions.