Illustrations vectorielles fine line

Two figures washing hands at a basin

Fitting a solar microscope into a shutter 01

Microscope stage on a tripod 01

Solar microscope in a darkened room 01

Sectioned bearing and pulley

Scroll cam on a shaft

Radial cylinder wheel

Crossed dividers

Sectioned rack jack

Wheel hub and brake

Hopper fed toothed roller

Hydrant in section

Pressure gauge

Twin pipe valves and nozzle

Suspended cylinder with chain

Hopper feed grinding machine

Flywheel machine

Lance-leaved herb with root 01

Peppermint sprig 01

Shaded skull in profile

Grass with cylindrical spikes 01

Grass tuft with slender spike

Slender grass with narrow spikes

Grass with two slender spikes

Rush with club head

Foxtail grass with blade

Grass with branched panicles

Grass with two-ranked spikelets

Grass panicle with broad blade 01

Tufted grass with slim panicles

Tufted grass with knobbed spikes

Grass with bristled spikes

Oat grass with drooping spikelets

Brome grass with drooping spikelets

Grass with drooping oat panicle

Grass with narrow bristle spike

Grass with dense cylindrical spike 01

Grass with pointed spikelets

Grass with flattened spike

Grass clump with bare roots

Grass spike between long blades

Sprawling grass with thin spikes

Broad grass blades on stem

Slender grass with small spikes

Reed with feathery plume

Curving ladder fronds

Slender lacy fern frond

Tufted fern with round pinnae

Lacy fern clump with roots

Tuft of small fern fronds

Small feathery fern plant

Slender fern frond

Pair of finely cut fronds

Small delicate fern frond

Lacy triangular fern frond 01

Wiry branching fern 01

Simple strap-shaped fronds

Globe flower head with buds

Umbel with feathery leaves

Paired-leaf sprig