Vectores de square

Orbit and sphere diagram

Solar surface detail

Armillary globe with a cross

Armillary sphere mark

Astronomy constellation planisphere

Constellation chart Ursa Major

Southern hemisphere star chart

Astronomical instrument mounting 01

Astronomical instrument parts 02

Astronomical instrument with circles

Herschel's forty foot telescope

Quadrants and sextants 05

Telescopes on stands 04

Transit instruments 01

Astronomy orrery apparatus

Cockle shell with foot

Frilled oyster shell

Coiled ribbed shell

Ribbed coiled shell 03

Coiled shell from above 04

Spined murex shell

Bristled shell

Spined shell from above

Ribbed limpet shell 02

Barnacle cluster 03

Spined cockle shell 03

Ribbed cockle shell 08

Ribbed cockle shell 01

Basket sea urchin

Lashed spars

Rope loops with knots

Anchor and crossed swords mark

Six-rayed sea creature

Knobbed starfish

Chambered fossil ammonite in stone 01

Fossil ammonites 01

Large open ammonite 01

Ribbed fossil whelks 01

Rock covered in fossil shells 01

Small globe-shaped fossils 01

Hand holding a hook

Two crossed anchors

Ship at anchor

Anchor lying on the shore

Masted boats at anchor

Seated woman with an anchor

Snail with a globular shell 02

Snail with a globular shell 01

Snail with a speckled shell

Cockle with a fringed edge

Scallop with a spined fringe

Bivalve interior

Bivalve with a fringed mantle

Transparent mollusc in outline

Cap shell

Mollusc in a round shell

Bivalve with a ribbed shell

Snail with long horns

Snail with a rounded shell

Spiral snail on the crawl