Two glass tubes with springs

1024 × 711

Two glass tubes with springs

1440 × 900

two spring-loaded cylinders

1440 × 900

Two glass tubes with springs

1440 × 900

Two Glass Vials with Springs

1920 × 1200

Two glass tubes with coils

1280 × 1024

Blue Glass Flask

1520 × 892

Atomic Model in Glass Sphere

1024 × 800

Green Glass Sculpture — Serene

1680 × 1050

Green Sphere in Glass Cubes — Neutral

1280 × 1024

green sphere in glass cubes

1500 × 1200

Green sphere in glass cubes

1280 × 1024