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Early cleavage w.m., Egg v.s., Embryo w.m. 4 mm, Frog & cell stage w.m., Frog blastula v.s., Frog early gastrula v.s., Frog gastrula (yolk plug) v.s., Frog neural fold t.s., Frog neural plate v.s., Frog neural tube t.s., Late cleavage w.m., Tadpole 10 mm (internal gil stage) w.m., Tadpole 10 mm heart, Tadpole 10 mm t.s. internal gill, Tadpole 4 mm sagittal section, Tadpole 7mm (external gill stage w.m.), Tadpole 7mm sagittal section, Tadpole head region, Tadpole trunk, Tadpole w.m.
A fantastic model of centenary arch made of fine quality wood. It consist 13 precision-cut wooden blocks and a wooden arch. All pieces can be assembled to make a Catenary Arch
Brass, plated.
Die casted, powder coated. These are excellent alternate of brass weights. These masses can be supplied in sets also.
