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Cutting flint glass.

Cutting flint glass.

Cutting flint glass.

Cutting flint glass.

Manufacture of thin glass tubing by drawing out thicker glass tubes.

Cutting and polishing flint glass (crystal) table wares.

Workshop for cutting, polishing and packing flint glass wares.

Neolithic flint hand-axe

Shaping a flint glass vessel.

Furnace for making flint glass, with stirrer.

World Water Day, Flint, Michigan, USA

Hands Holding Flint Marbles

Flint

Flint

Flint Water Plant, Flint, Michigan, USA

Flint Water Plant, Flint, Michigan, USA

Flint with carved rainbow symbol

Banded flint

Flint and flint dagger

Flint arrowhead

Flint blades

Flint tool

Flint tool

Flint tool

Blowing a cylinder of glass which would be flattened and formed into sheet glass.

Flint and wood knife

Neolithic flint spearheads

Neolithic flint scrapers

Technique for creating a flint tool

Technique for creating a flint tool

Technique for creating a flint tool

Flint knappings from making of tools.

Reproduction of the flint micropoint atttachement on arrows

Reproduction of the flint micropoint atttachement on arrow

Polish Flint

Flint tools

Flint stone

Making a glass bottle.

Making a glass lampshade.

Chalk cliffs, south-east England

Church and churchyard, UK

Surface flint, Sussex, UK

Flint and Chalk, Dover, England

Banded flint from Ilza, Poland

1907 Harrison Eolith Dawn Stone tool

Double oxen burial with cart, Germany.

Flints knapped for use as knives

Flints knapped for use as knives

Train passing through a Tunnel, Surrey.

Drinking water filtration sign

Bell foundry, 19th century artwork

Car scrapyard, Flint, Michigan, USA

A glass worker in his chair.

Flashing out or forming a circular sheet of crown glass.

World Water Day, Flint, Michigan, USA

World Water Day, Flint, Michigan, USA

World Water Day, Flint, Michigan, USA

World Water Day, Flint, Michigan, USA

World Water Day, Flint, Michigan, USA

Flint arrowheads excavated from La Draga Neolithic site

Cullinan Diamond

1825 John MacEnery fossils Kent's Cave

Lichen covered clay tiled roofs

Biface stone tool

Biface stone tool

Hertfordshire puddingstone

Bottled water during public health crisis

Iron-working machinery, 19th century

Ironworkers, 19th century

Zinc rolling mills, 19th century

Silesian mines and industry, 19th century

Hamilton Dam, Flint River

Flint pebbles on Sheringham beach, UK

Flint pebbles on Sheringham beach, UK

North Land Drive-in Theater, Dort Highway, Flint, Michigan, USA, John Margolies Roadside America Photograph Archive, 1980

A glass engraver using a lathe operated by a font treadle.

Fossil Crinoid

Automated diamond cutting

Cutting glass.

Diamond blade saw cutting through granite

Chesil Beach, Weymouth, England, UK

Water fountains and public health warning

Water pipe construction

Automated diamond cutting

Floods in Frances ruined houses in Toulouse.

Flint arrowhead

Flint arrowhead

Nail plate shears for cutting nail plate into convenient lengths.

鋳物鋳造の砂型

Steelworks, 19th century

Brass foundry, 19th century

Flint tool, Grotte Mandrin, France

Flint tool, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tool, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Flint tools, Grotte Mandrin, France

Analysis of prehistoric flint tool

Analysis of prehistoric flint tool

Analysis of prehistoric flint tool

Analysis of prehistoric flint tool

Analysis of prehistoric flint tool

Production of tools from flint stone

Quarry block split by swelling agent

Wave-cut platform, Portencross, Scotland

Fossil stromatolites, cross-section

A vintage style racer bike leant against a brick and flint wall.

Tin opener

Peridot pebble and mixed-cut peridot

Ammonite, pyritized

Pyritized ammonite

Folded strata in gneiss rock

Cutting sugar ease.

Automated diamond cutting

Chalk cliffs

Yellow Horned Poppy (Glaucium flavum)

Neanderthal stone tool

Neanderthal stone tool

Prehistoric fossils and tools

Objects carried by 18th century American riflemen

Bell fishing, a method employed by Hungarian gipsies.

Closeup of the blade on a radial saw in a woodworking factory.

CNC Turn-Mill machine

ジュエリーイメージ

Geothermal limestone deposit

鋳物工場

Iron rusty steel mineral stone macro detail in orange color

Eroding Landform

Furnace container pouring melted bronze at foundry

Container pouring melted bronze in workshop

production hall at foundry

Ancient sand and shell layers

Thermal image of part being turned on lathe, with heating of the cutting tool and part

Ancient ironworks, illustration

Bronze-age metalworks, illustration

US coal being imported into a Danish port as Marshall aid

Thermal image of part being turned on lathe, with heating of the cutting tool, part and shavings

Thermal image of part being turned on lathe, with heating of the cutting tool, part and shavings

Thermal image of part being turned on lathe, with heating of the cutting tool, part and shavings

Thermal image of part being turned on lathe, with heating of the cutting tool, part and shavings

Three People Working in a Foundry

Steelworker

Splashing wave

Hoodoo, Alberta Badlands

Pebble tool

Waterjet cutting machine

Waterjet cutting machine

Waterjet cutting machine

Waterjet cutting machine

CNC waterjet cutting machine

Cutting hot metal

Cutting osiers for basket making.

鋳物鋳造の砂型

鋳物鋳造の砂型

Diamond cutting

Diorite intruded by microgranite

Quartz-feldspar porphyry

Banded gneiss

Scissors cutting into paper with rock

Cutting out steel pen nibs from strips of metal.

Machine for cutting up sugar beet after cleaning and washing.

Machine for cutting up sugar beet after cleaning and washing.

Denmark, Rodvig, historic flint oven

CNC machine splashing water while cutting material inside modern factory

CNC machine splashing water while cutting material inside modern factory

Blue labradorite

Interior of a crown (window) glass house.

Coal dust explosion experiment, 1900s

Oil refinery storage tanks

Oil industry storage tanks

Oil workers and fuel storage tanks

Oil refinery worker

Oil and gas refinery worker

Oil and gas refinery

Oil storage towers

Industrial fuel storage tanks

Humber Refinery, South Killingholme, Lincolnshire, UK

町工場のスレートの屋根

Locomotive in cutting at Hartford.

Diamond milling cutter

Diamond milling cutter

Diamond milling cutter

Diamond milling cutter