Soapstone Specimen Pack Size:Pack of 12 Plastic-housed plotting-compass field demonstrator that

Plastic-housed plotting-compass field demonstrator that maps the magnetic field configuration in one or two dimensions whenever a permanent magnet is placed against it

step-up to 24V transformer

allowing this tangent galvanometer to convert deflection angle into an absolute current reading

this sharpened steel razor slices thin histology specimens from paraffin or cork-embedded blocks for prepared-slide work

Soapstone Specimen Pack Size:Pack of 12 Plastic-housed plotting-compass field demonstrator thatSoft talc rich metamorphic rock with a greasy smooth feel supports Mohs hardness demonstrations at the lowest end and historical carving and cookware use.