Geology

For keeping glass slides of 45 x 30 mm in vertical position in wooden grooves individually. For keeping 100 glass slides of 45 x 30 mm in vertical...

For keeping glass slides of 45 x 30 mm in vertical position in wooden grooves individually. For keeping 12 glass slides of 45 x 30 mm in vertical ...

For keeping glass slides of 45 x 30 mm in vertical position in wooden grooves individually. For keeping 25 glass slides of 45 x 30 mm in vertical ...

For keeping glass slides of 45 x 30 mm in vertical position in wooden grooves individually. For keeping 50 glass slides of 45 x 30 mm in vertical ...