GH Zeal 3501 Sheathed Ordinary Thermometer Hygrometer It provides secure

It provides secure

Turn The Gainsborough’s brass pointer to rest directly over the black pointer to act as a marker

Chart MB1 is a standard sized barograph chart

seedling pots

Measures outdoor temperature and humidity

GH Zeal 3501 Sheathed Ordinary Thermometer Hygrometer It provides secureDescription Features Specification Sheathed ordinary thermometer manufactured similar to the Met Office BS692 specifications for use in a Stevenson Screen. Traditionally mounted in a thermometer screen on the vertical axis as a pair; one thermometer is used for dry temperatures while the other is used in conjunction with a wick and reservoir for wet temperatures, in total creating a masons hygrometer. The Metcheck 3501 thermometer is Gallium filled as