All items

Surface door closer with articulated adjustable arm and mounting shoe

2,868 tris

Hand riveter with articulated drawbar and seated blind rivet

3,184 tris

Sarrus linkage platform

4,920 tris

Roman hypocaust bath cutaway

564 tris

Cup-head vortex mixer with visible eccentric drive and resilient supports

1,756 tris

Cupola furnace

1,844 tris

Pedal harmonium

2,464 tris

Underwater ROV

1,700 tris

Curved arch dam

3,172 tris

Hollow four-tooth ice screw with hanger eye and folding crank

1,610 tris

Compact audio cassette with splined hubs and exposed head-access tape path

1,908 tris

Sailing catamaran

1,740 tris

Rack and pinion exhibit

2,080 tris

Laboratory retort stand with screw-locked collar and open support ring

572 tris

Moonpool drilling platform

2,880 tris

Arched canvas cargo wagon

2,588 tris

Outside micrometer with C frame and hollow graduated thimble

1,484 tris

Laboratory Bunsen burner with open mixing tube and hollow gas jet

1,096 tris

Suspended camping tent

1,604 tris

Wave machine exhibit

3,048 tris

Direct-link bass drum pedal with pivoted beater and return spring

4,296 tris

Four-cell braille writing slate with open guides and recessed dot matrix

2,292 tris

Hand-cranked cream separator

3,216 tris

Roman atrium house

300 tris