写真素材の検索結果

Coil of enamelled copper

Coil of nichrome

Coil of copper

Coil of solder

Coil of constantan

Electrical transformer coils

Native copper

バネ

Calcium nuggets

Magnesium ribbon and calcium nuggets

Copper

Slinky toy

Native gold

Native silver

Malachite and copper

Condenser coil, 3d micrograph

Copper-silver metal displacement reaction

変圧器

バネ

バネ

Westinghouse rotary transformer

Tesla's alternating current machine

Tesla oscillator and transformer

Tesla transformer

Silver

Extended metal spring

Electricity substation

電線の束

電線の束

光学顕微鏡

光学顕微鏡

光学顕微鏡

光学顕微鏡

Europium

Headphones, X-ray

フラスコ

Transformer

Transformer

Loudspeaker and microphone

Lead

Water

Potassium dichromate

Aluminium powder

Girl with metal coil

Magnesium ribbon

Recrystallised rock salt

Universal indicator

Copper wire

Electricity substation

Bus system at electricity substation

Supergrid transformer at substation

Transformers at electricity substation

Bus system at electricity substation

Supergrid transformer at substation

Transformers

平底フラスコ

試験管

試験管

シャーレ

シャーレ

スポイト

試験管

平底フラスコ

メスシリンダー

バネ秤

電線

Metal wire, full frame

上皿天秤

上皿天秤

コイル

分銅

Tesla mercury-controlled transformer

Tesla mercury-controlled transformer

Tesla mercury-controlled transformer

Tesla transformer, 1890s

Tesla mercury-controlled transformer

Tesla transformer

Heating blocks of different metals

標本瓶

Alternating current transformer and ammeter

フラスコ

フラスコ

電線とステンレス

Copper II sulfate

Copper (II) chloride solution

Copper (II) oxide reacting with sulphuric acid

Sulfur

Transformer testing inducing high electrical voltage

Arrangement of cables and copper wire on white surface

4個のシャーレ

Platinum

Bamboo skimmer

Evaporites of hard and distilled water

Soil settling out of water

Copper production

4個のシャーレ

大豆の入ったアルコールランプ

大豆の入ったアルコールランプ

大豆の入ったメスシリンダー

試験管

Reading a burette

Iron salts in solid and liquid forms

Bromine

Reading a burette

Reading a burette

Phenolphthalein at pH9.3

Test tube of bromine water

Methyl orange in alkali

バネ

Wire mesh bent into shape, close-up

Wire mesh bent into shape, close-up

Wire mesh bent into shape, close-up

Wire mesh bent into shape, close-up

Wire mesh bent into shape, close-up

Wire mesh bent into shape, close-up

Wire mesh bent into shape, close-up

Wire mesh bent into shape, close-up

Shell of sea snail

Tesla incandescent lamps and coil, 1899

Tesla incandescent lamp and coil, circa 1899

Copper plated valves

Native copper

Antique Egg Separator

Transistors

Transistors

Native sulphur

Sulphur powder

Sulphur chunks

Iron (II) hydroxide precipitation

Iron (III) hydroxide precipitation

Electroscope

Electrometer

Starch content of leaves

Martian meteorites

Thorianite

Grinding natural rock salt

Filtering rock salt solution

Metal cables, close-up

工場の変電システム

工場の変電システム

工場の変電システム

Red cable

Crane for lifting cakes of copper/lead alloy from moulds.

メスシリンダー

ビーカー

U字磁石

三角フラスコ

ビーカー

平底フラスコ

化学モデル

メスシリンダー

平底フラスコ

平底フラスコ

試験管

Natural copper crystal, SEM

複数の試験管

複数の試験管

電線と青空

電線と青空

High carbon steel, light micrograph

Ammonite male and female

Electricity pylon in Scotland

Electricity substation at night.

Electricity substation at night.

Electricity substation

Electricity substation

Diverging multicolored wires

Soft shield fern (Polystichum setiferum)

Hart's-tongue fern (Asplenium scolopendrium)

Hart's-tongue fern (Asplenium scolopendrium)

Ammonite fossils

Paraguayan anaconda

Coiled New Guinea ground boa

Corn snake

Medium carbon steel, light micrograph

Scart lead, X-ray

Ammonite shell fossilised in limestone

変圧器

Steel store

三角フラスコ

A bunch of dill with roots

ヘッドフォン

Ambient noise reducing headphones

白い背景のヘッドフォン

Ceramic insulators

Electrical substation

Electrical substation

Simple circuit with motor

Laboratory power unit transformer

Bradwell nuclear power station

電柱の絶縁ガイシ

電柱の絶縁ガイシ

Conductivity of aluminium

Transformer

変圧器

Telegraph poles and wires

Power lines

Headphones on a table

Two pairs of headphones

分銅