Melde's Apparatus Force Meter is held at the mouth

is held at the mouth of the other chimney making the convection current dramatically visible

the distance (length) can be directly measured remotely

Map Compass

It consists of a wooden baseboard measuring 1

This model shows Upper half of the sclera with cornea and eye muscle attachments

Melde's Apparatus Force Meter is held at the mouthMelde's Apparatus Premium Quality: Melde's Apparatus is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.