brass armillary sphere

1008 × 1479

Antique keyboard instrument

1600 × 1200

Antique brass surveying instrument

1680 × 1050

Protractor with springs and wires

2784 × 1864

antique sundial with compass

1600 × 1200

close-up of precision instrument

2560 × 1600

vintage rototherm thermometer

1920 × 1200

Close-up of a brass trumpet

1698 × 1131

ornate brass typewriter

8325 × 4975

vintage brass telegraph machine

2304 × 1728

brass telescope lens

3872 × 2592

close-up of a dial gauge

1600 × 1200

antique clock mechanism

1680 × 1050

antique sword with leather wrap

1728 × 1097

antique revolver with wooden grip

1536 × 1024

close-up of a tuba

2592 × 1944

French horn with abstract circles

1280 × 800

assorted brass gears on red

1280 × 960

Copper diving helmet on display

1291 × 1251

Close-up of mechanical gears

1600 × 1200