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Ground or earth bar.

Various old fashioned laboratory equipment isolated on white background.

Electrical control panel with volt and amp meter for monitor electricity system, very old

Abandoned power transformer on the floor

Globe valve assembly with automatic pneumatic diaphragm actuator control for turn close and open water or liquid conveying in piping system in industrial isolated on white with clipping path

Control device for lowering and lifting anchors on the ship's bridge.

Extruded plastic profiles as background, full frame

operator uses the indicator test dial on the stand for accurate measurements,Dial Test Indicator on the stand for accurate measuremen

Condensers.

vacuum tube, radio

Vintage computing machine close-up image with typ buttons. Used in the pre Computer Era.

Front panel of a high frequency power amplifier with vacuum tubes close up view

Double Sided Hinge Over White Background

The Mechanical tachometer with arrow on black background. Instrument for measurement turn gross on engine

Obsolete black fuse box with some wiring and room for 3 fuses.

Old batteries of a tram rusting in warehouse

old electrical panel

close up of a stirling engine construction with white table isolated on white background

Electric system with onboard charger module in Electric car

Potentiometer without knob. Variable resistance. Electronic components.

The voltmeter. A scale of measurement of 30 volt. A class of accuracy 2,5. A class of electroprotection 2. It is made in 1983году in the USSR.

Medical Lab Equipment used in Medicin Prepration process Health Care Himachal Pradesh India 2

IInterior view of a old building under renovation with underfloor heating. Here you can see the central heating system. manifold

Close up image of an early oscillating motor, circa mid 1800s. Isolated on white with clipping path. High quality photo

Record Player Needle Close-up

A detailed view of calculating controls and distribution panel für an underfloor heating system

Close-up of an ancient ohmmeter, tinted photo, shallow dof

decorative gold scale weight

Free Images: "bestof:insulator electricity experiment experimental physics blue research science museum museum of technology influenzmaschine inductor"

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