Metcheck Stainless Steel Barograph Pen Dial Barometer this hotbed thermometer has a

this hotbed thermometer has a much greater temperature range

It encourages scientific observation

pressure and cloud cover

Keyhole hook on reverse for hanging

Length 166mm Width 10mm at thickest and 2mm at thinnest Attachment Two pre-drilled holes at one end

Metcheck Stainless Steel Barograph Pen Dial Barometer this hotbed thermometer has aDescription Features Specification Conventional stainless steel triangular type wet ink barograph nib often used on older barographs, and handmade in the UK. We cannot be certain they fit all or any type of barograph arm but from experience the metal pen has fitted on to practically all old barographs using a single pen. To fit to your barograph simply gently open the small grips to slide over the end of your barograph arm, the nib is then clasped on