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Material must be in the office, such as a mark on paper.
Close up on hands of a Black male reaching towards a holder attached to a CNC machine with many varieties of milling bits on.
An eye examination room with a visible eye chart on the wall
Old men having an eye exam at ophthalmologist's office
Threaded bar isolated on white background group
Radiologist at the hospital taking an x-ray for a senior patient - healthcare and medicine
set of roundover router bits
Jacobs Chuck in Tail Stock of Metal Lathe, Morse Taper number 3.
A Global Navigation Satellite System or GNSS Receiver in a hard case prior to being set up. Real-time kinematic or RTK geodetic surveying equipment used in the field.
Caucasian male ophthalmologist examining with slit lamp structures of the eye, such as the cornea, iris, and lens, on a senior female patient at the ophthalmology clinic
Modern braiding machine. Equipment for making braids from metal wire.
There is a tool to measure water pressure on the automatic drinking water production control panel.
Optometrist in exam room with woman sitting in chair looking into eye test machine
Machine that examination of the eyes
Precision screwdriver, close up photo
Mechanical processing fixture
Back view of a modern scientist pipetting in the lab
Device connection port used to transfer data within the device
Close up scene the 5-axis machining center cutting the V8 engine cylinder block with solid ball end mill tool. The hi-precision automotive manufacturing process by multi-axis CNC milling machine.
The press breaks down the cubic concrete sample and examines the strength of the concrete
screws and bolts for mounting solar panels on the roof. Ecological energy
Big Ship Controls
Tools a watchmaker can use to repair watches
CNC Machined Parts
Hispanic eye doctor and female assistant in examination room
Turkish man working on his metal lathe machine, working on metallic parts for an industrial sewing machine
Manufacture of equipment for use in offshore oil drilling and production. Subsea crude oil christmas tree.
electrical sockets
Electrical Leads of a Pacemaker over white background
rusty dumbbell stick
Free Images: "bestof:...Arthur Roberts and Sam Mynatt drilling in lateral test shaft for examination of substrata at base of Norris Dam." - NARA - 532678.jpg Scope and content General"
Arthur_Roberts_and_Sam_Mynatt_drilling_in_lateral_test_shaft_for_examination_of_substrata_at_base_of_Norris_Dam,_October_1933.jpg
Sam_Mynatt_and_Arthur_Roberts_drilling_in_lateral_test_shaft_at_base_of_Norris_Dam,_October_1933.jpg
Sam_Mynatt,_shaftman_on_test_drilling_for_examination_of_substrata_at_Norris_Dam_site,_October_1933.jpg
Arthur_Roberts_and_Sam_Mynatt,_drilling_for_a_shot_in_boulder_in_roadway_at_Norris_Dam,_October_1933.jpg
Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam_site,_October_1933.jpg
Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam_site,_October_1933.jpg
Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam_site,_October_1933.jpg
Shaftmen_at_the_mouth_of_the_vertical_test_shaft_for_examination_of_substrata_at_Norris_Dam_site,_October_1933.jpg
Arthur_Roberts,_shaftman_on_test_drilling_at_the_Norris_Dam_site,_October_1933.jpg
Arthur_Roberts,_shaftman_on_test_drilling_work_at_the_Norris_Dam_site,_October_1933.jpg
A_view_of_the_test_drilling_shaft_and_the_shop_at_the_Norris_Dam_site_on_Clinch_River,_October_1933.jpg
Rock-drillers_working_in_lateral_shaft_at_base_of_Norris_Dam_site,_October_1933.jpg
"Arthur_Roberts_and_Sam_Mynatt_drilling_in_lateral_test_shaft_for_examination_of_substrata_at_base_of_Norris_Dam."_-_NARA_-_532678.tif
"Arthur_Roberts_and_Sam_Mynatt_drilling_in_lateral_test_shaft_for_examination_of_substrata_at_base_of_Norris_Dam."_-_NARA_-_532678.jpg
"Sam_Mynatt_and_Arthur_Roberts_drilling_in_lateral_test_shaft_at_base_of_Norris_Dam."_-_NARA_-_532680.tif
"Sam_Mynatt_and_Arthur_Roberts_drilling_in_lateral_test_shaft_at_base_of_Norris_Dam."_-_NARA_-_532680.jpg
"Sam_Mynatt,_shaftman_on_test_drilling_for_examination_of_substrata_at_Norris_Dam_site."_-_NARA_-_532668.jpg
"Sam_Mynatt,_shaftman_on_test_drilling_for_examination_of_substrata_at_Norris_Dam_site."_-_NARA_-_532668.tif
"Arthur_Roberts_and_Sam_Mynatt,_drilling_for_a_shot_in_boulder_in_roadway_at_Norris_Dam."_-_NARA_-_532677.tif
"Arthur_Roberts_and_Sam_Mynatt,_drilling_for_a_shot_in_boulder_in_roadway_at_Norris_Dam."_-_NARA_-_532677.jpg
"Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam..._-_NARA_-_532663.tif
"Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam..._-_NARA_-_532664.tif
"Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam..._-_NARA_-_532665.tif
"Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam..._-_NARA_-_532663.jpg
"Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam..._-_NARA_-_532664.jpg
"Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam..._-_NARA_-_532665.jpg
"Shaftmen_at_the_mouth_of_the_vertical_test_shaft_for_examination_of_substrata_at_Norris_Dam_site."_-_NARA_-_532672.tif
"Shaftmen_at_the_mouth_of_the_vertical_test_shaft_for_examination_of_substrata_at_Norris_Dam_site."_-_NARA_-_532672.jpg
"Arthur_Roberts,_shaftman_on_test_drilling_work_at_the_Norris_Dam_site."_-_NARA_-_532666.tif
"Arthur_Roberts,_shaftman_on_test_drilling_at_the_Norris_Dam_site."_-_NARA_-_532667.tif
"Arthur_Roberts,_shaftman_on_test_drilling_work_at_the_Norris_Dam_site."_-_NARA_-_532666.jpg
"Arthur_Roberts,_shaftman_on_test_drilling_at_the_Norris_Dam_site."_-_NARA_-_532667.jpg
"A_view_of_the_test_drilling_shaft_and_the_shop_at_the_Norris_Dam_site_on_Clinch_River."_-_NARA_-_532692.tif
"A_view_of_the_test_drilling_shaft_and_the_shop_at_the_Norris_Dam_site_on_Clinch_River."_-_NARA_-_532692.jpg
"Rock-drillers_working_in_lateral_shaft_at_base_of_Norris_Dam_site."_-_NARA_-_532679.tif
"Rock-drillers_working_in_lateral_shaft_at_base_of_Norris_Dam_site."_-_NARA_-_532679.jpg
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