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Analog multimeter and its probes. Selected focus. Voltmeter, ohmmeter and ammeter all in one  body.
electronics repair. maintenance and repair of computer and other electronic equipment. colored wires and test leads background
A close up of the powerful electrons from a stun gun firing.
Wires and control buttons on the dashboard. The concept of a high-tech device and modern means of communication and data protection
Modern digital multimeter on a white background.
Cables connector
Power supplies and electronic measuring devices in the laboratory
Display of an electrodynamic shaker power amplifier
Close-up showing resistors on a power board
Bright dangerous electronic sparks of current quickly and sharply scatter from an unsafe short circuit on complex technological equipment, in a dark room with electrical appliances
Detail of electrician using equipment in shop
Front panel of a high frequency power amplifier with vacuum tubes close up view
High voltage power transformer in substation
Technician turn switch of  precision multi calibrator for calibration multimeter
Close-up of electronic components on a circuit board
Line impedance stabilization network for electromagnetic compatibility tests
RF testing instruments and equipment
Measuring electric current through a resistor with an ammetter. 490 milliamperes of current flows through the resistor.Focused on resistor.
Unit control panel of electronic equipment, close-up
A PCB with two capacitors with a red wire.
An electrician using a multimeter to test for voltage in a control circuit.
Top-side view of a lab DC power supply unit with Leads and wires isolated on white.
Circuit board, electronic components, isolated on white background
Universal measuring device
Electrical control panel. Industrial electrical control panel
A rack mountable programmable AC and DC power supplies
Old style meter and computer parts.  STEM
Electronic battery tester and analyzers
multimeter close up
Free Images: "bestof:dc voltage source T"
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power-station-master-power-1491136.jpg
Overhead_Power_Lines.jpg
batteries-cells-battery-energy-1331493.jpg
giresun-turkey-beach-blue-sky-1514078.jpg
Negro_bus-boy_dishwashers,_Investment_Pharmacy,_Washington,_..._(3109751977).jpg
Port_Gibson,_Mississippi,_August_1940._(3110578852).jpg
Sunday_in_Little_Rock,_Ark.,_1935._(3109755087).jpg
Sharecroppers,_Pulaski_Co.,_Ark._(3109755193).jpg
Children_of_miners,_Kentucky,_1935._(3109755707).jpg
Shacks_inhabited_by_Negroes_along_highway_between_Charleston..._(3110575352).jpg
Religious_meeting_in_Nashville,_Tenn._(3110588162).jpg
Rodney,_Mississippi,_Aug._1940._(3110578686).jpg
Tuskegee_airmen_2_original.jpg
Coal_miners_going_home_from_work,_Omar,_W._Va.,_Sept._1938._(3110572114).jpg
Negro_picnic_at_Beaufort,_South_Carolina,_July_1939._(3110571930).jpg
Omar,_mining_town,_West_Virginia,_1935._(3110588002).jpg
Virgin_Islands,_December_1941._(3109751369).jpg
Post_office_inside_plantation_store,_Mileston,_Mississippi_D..._(3109745351).jpg
Home_demonstration_club_meeting_has_games_and_refreshments_a..._(3109739817).jpg
Temple_Court_off_D_Street_and_Delaware,_SW,_Washington,_D._C..._(3110572314).jpg
Pay_day,_coal_mining_town,_Omar,_West_Virginia,_September_19..._(3110572012).jpg
Negro_domestic_servant,_Atlanta,_Georgia._May_1939._(3110575890).jpg
King_and_Anderson_Plantation,_Clarksdale,_Mississippi_Delta,..._(3109744359).jpg
Palm_Beach,_Florida,_March_1939._(3110579016).jpg
Shooting_pool_on_Saturday_afternoon,_Clarksdale,_Mississippi..._(3110573042).jpg
Memphis,_Tennessee,_Beale_Street,_October_1939._(3110571760).jpg
Selling_fish_on_Saturday_afternoon,_Lexington,_Holmes_County..._(3110576734).jpg
Removing_the_seed_from_cotton_gin_on_Hopson_Plantation;_Clar..._(3110574412).jpg
Mulatto_ex-slave_in_her_house_near_Greensboro,_Alabama,_May_..._(3109751881).jpg
In_the_Everglades_needlework_factory,_San_Juan,_Puerto_Rico._(3109750845).jpg
Saturday_afternoon,_Lexington,_Holmes_Co.,_Mississippi,_Oct...._(3110572864).jpg
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Migratory_agricultural_workers_on_board_the_'Princess_Anne'_..._(3110582816).jpg
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Carpenters_and_construction_workers_waiting_outside_Florida_..._(3109745601).jpg
Migratory_laborers_cutting_celery,_Belle_Glade,_Florida,_Jan..._(3110574764).jpg
Pauline_Clyburn,_rehabilitation_client,_and_her_children_str..._(3110573452).jpg
Stable_hand_and_trainer_eating_picnic_lunch_before_the_Shelb..._(3109741115).jpg
San_Juan,_Puerto_Rico._La_Perla,_the_slum_area.jpg
El_Morro,_the_historic_Spanish_fort_from_the_sea._San_Juan,_Puerto_Rico.jpg
Ramparts_of_El_Morro,_the_historic_Spanish_fort._San_Juan,_Puerto_Rico.jpg
San_Juan,_Puerto_Rico._These_people_live_in_El_Fangitto,_the_slum_area.jpg
Demonstration_in_support_of_the_Spanish_loyalists_in_the_workers'_quarter_of_Porta_de_Tierra._San_Juan,_Puerto_Rico.jpg
Baby_asleep_in_hammock._The_hammock_saves_space_in_a_shack_already_overcrowded._Puerta_de_Tierra,_San_Juan,_Puerto_Rico.jpg
View_of_a_portion_of_the_workers'_quarter_of_La_Perla_from_the_old_Spanish_ramparts._San_Juan,_Puerto_Rico.jpg
Coal_miner,_his_wife_and_two_children,_(notice_the_child's_l..._(3109741441).jpg
Street_in_Negro_section,_Charleston,_W._Va.,_Jan.-Feb.,_1939..._(3110575434).jpg
In_front_of_city_hall,_Belle_Glade,_Florida,_January_1939._(3110577220).jpg
Migratory_workers_fishing_to_eat,_Belle_Glade,_Florida,_Janu..._(3110577320).jpg
King_and_Anderson_Plantation,_Clarksdale,_Miss._Delta,_Miss...._(3109740389).jpg
Civilian_Conservation_Corps_boys_putting_up_a_fence,_Greene_..._(3110583136).jpg
Cotton_on_porch_of_sharecropper's_home,_Maria_plantation,_Ar..._(3109755973).jpg
At_a_meeting_of_Negro_FSA_borrowers_in_a_church_near_Woodvil..._(3110584360).jpg
Migrants_getting_truck_ready_to_leave_Belcross,_N.C._for_Onl..._(3110583938).jpg
Digging_out_a_cemetery_to_be_moved_from_the_Santee-Cooper_ba..._(3110583688).jpg
Putting_up_the_walls_on_a_prefabricated_house_at_the_FSA_(Fa..._(3109750895).jpg
Saturday_afternoon_in_a_negro_beer_and_juke_joint,_Clarksdal..._(3110577904).jpg
Negro_agricultural_laborers_watching_one_of_their_houses_bur..._(3109744629).jpg
Chitterling,_fish_and_sugar_cane_on_street_in_Negro_Section,..._(3110576314).jpg
Negro_slum_area_between_D_and_C_Streets_off_1st_Street,_SW,_..._(3110575704).jpg
Negro_rehabilitation_client_mixing_cement_to_be_used_in_cons..._(3109742581).jpg
Woman_carrying_bundle_on_head,_Natchez,_Mississippi,_August_..._(3109740199).jpg
Ben_Turner_and_family_in_their_wagon_with_mule_team._Flint_R..._(3109740135).jpg
Former_slave_quarters_now_used_as_milk_house_on_farm_near_Ba..._(3110577576).jpg
4th_and_5th_in_Flint_River_school,_Ga._demonstrate_a_health_..._(3109743609).jpg
Negro_section_of_town,_Saturday_afternoon,_Belzoni,_Mississi..._(3110575622).jpg
Entrance_to_a_movie_house,_Beale_Street,_Memphis,_Tennessee,..._(3110574828).jpg
Wagon_load_of_cotton_coming_out_of_the_field_in_the_evening,..._(3109742247).jpg
Saturday_afternoon,_Lexington,_Holmes_County,_Mississippi_De..._(3109742133).jpg
Company_stores_and_offices_and_clinic_of_Delta_Pine_Company,..._(3110574496).jpg
Bayou_Bourbeaux_Plantation_operated_by_Bayou_Bourbeaux_Farms..._(3110574028).jpg
Rachel_D._Moore,_home_management_supervisor,_giving_demonstr..._(3109741523).jpg
Negro_children_playing_outside_of_nursery_at_Okeechobee_migr..._(3109740925).jpg
Unloading_tobacco_from_trailer_into_baskets_according_to_the..._(3109739461).jpg
Cotton_pickers_receiving_sixty_cents_a_day,_Pulaski_County,_..._(3110588596).jpg
Sharecropper_on_Sunday,_Little_Rock,_Ark.,_October_1935._(3110588422).jpg
Josh_Taylor,_Negro_Foreman_who_has_been_on_place_for_fifty_t..._(3109744447).jpg
Family_of_small_landowner_who_moved_out_of_the_Santee-Cooper..._(3110581402).jpg
Singing_'Trying_to_Make_a_Hundred,_Ninety-Nine_and_a_Half_Wo..._(3110582074).jpg
Part_of_a_Negro_tenant_family,_on_a_farm_near_Greensboro,_Al..._(3109749723).jpg
Mrs._Gus_Wright,_Farm_Security_Administration_client_with_he..._(3110584464).jpg
Church_service_in_the_Negro_church,_Woodville,_Greene_County..._(3109751589).jpg
Women_selling_provisions_at_Tortola_Wharf,_St._Thomas,_V._I...._(3109751449).jpg
During_the_church_service_at_a_Negro_church_in_Heard_County,..._(3110583408).jpg
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Mrs._Annie_Albrittan,_who_does_washing_in_her_home_in_Woodvi..._(3109750575).jpg
Funeral_of_nineteen_year_old_Negro_saw_mill_worker_in_Heard_..._(3110583038).jpg
House_in_the_area_being_taken_over_by_the_army;_The_family_w..._(3109749887).jpg
The_family_of_Mr._Leroy_Dunn,_chopping_cotton_in_a_rented_fi..._(3110582208).jpg
Star_pupil,_82_years_old,_reading_her_lesson_in_adult_class,..._(3109746165).jpg
Part_of_cotton_gin_with_wagonloads_of_cotton_waiting_in_back..._(3110576540).jpg
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Spectators_and_witnesses_on_second_day_of_Superior_Court_dur..._(3110575186).jpg
'Hotel'_in_Pahokee,_Lake_Okeechobee,_Florida,_living_quarter..._(3109740833).jpg
Mexican_and_negro_cotton_pickers_inside_plantation_store,_Kn..._(3109740553).jpg
Interior_of_school_on_Mileston_Plantation;_School_begins_ver..._(3109740315).jpg
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