Vectores de outline only

Coiled scroll scarab seal

Coiled scarab seal

Interlaced scarab seal

Twin scroll scarab seal 01

Scarab seal with a bud sign

Looping scarab seal

Running scroll scarab seal

Twin spiral scarab seal

Knotted scarab seal

Triangle scroll scarab seal

Papyrus and bud spray

Scarab seal with a beetle and ankh

Scarab seal with a beetle and scrolls

Scarab seal with a beetle 01

Scarab seal with a boat sign

Scarab seal with ankh signs 01

Scarab seal with ankh signs 02

Scarab seal with a net

Papyrus emblem

Looped amulet sign

Lotus bud finial

Lotus capital 02

Projectile path diagram

Gyroscope on a stand

Gridded globe of the Americas

Orrery arm model

Conic orbit curves

Gridded celestial sphere

Orbit of moons diagram 02

Great circles sphere

Hand tracing an ellipse

Ellipse construction diagram

Ray angle diagram

Zones of the globe

Orbit projection diagram

Zodiacal light diagram

Elliptical orbit diagram

Curved horizon diagram

Ringed planet in outline

Angular measurement diagram

Orbit of moons diagram 01

Orbit and sphere diagram

Smooth spindle shell outline

Shell with a foot

Stepped spire shell 01

Mollusc anatomy in outline

Transparent mollusc in outline

Bivalve shell outline 04

Snail shell outline in an oval

Tusk shell outline

Barred shell outline

Coiled ribbed shell outline 02

Coiled shell outline 03

Curved tusk shell 01

Coiled shell outline 02

Coiled shell outline 04

Bivalve shell outline 05

Coiled ribbed shell outline 01

Curved shell fragment

Hooked shell