Desk Top Free Stock Images

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Macbook Air Near Red Book

Macbook Air Near Red Book

Laptop keyboard

A close up of a laptop computer keyboard. A close up of a laptop computer keyboard.

Worker typing on laptop computer

Overhead view of hands of worker typing on laptop with notebook, mobile and cup of coffee, white background. Overhead view of hands of worker typing on laptop with notebook, mobile and cup of coffee, white background.

Person holding smartphone

A person holding a smartphone on his hand with laptop computer on the background. A person holding a smartphone on his hand with laptop computer on the background.

High Angle View of Pencils on Table

High Angle View of Pencils on Table

Apple, Black, Coffee

Portrait of sexy young woman in office

Portrait of pretty young woman in office

Vector series. Electric guitars

Vector series. Electric guitar isolated on white background. Vector series. Electric guitar isolated on white background

Two beautiful business woman working at modern lightfil office.Handsome girls at working process on desk top computer

Two beautiful business woman working at modern lightfil office.Handsome girls at working process on desk top computer

White coffee cup in a business setting

White coffee cup with open book on a wooden table. White coffee cup with open book on a wooden table

Accessories, Caffeine, Coffee

Coffee cup isolated white background

Coffee cup isolated white on background

Coffee next to notepad and pen

Overhead view of coffee on wooden table with decorative heart shaped next to notepad and pen. Overhead view of coffee on wooden table with decorative heart shaped next to notepad and pen.

Portrait of sexy young woman in office

Portrait of pretty young woman in office

Apple, Coffee, Cup

Tide Predicting Machine No. 2 ("Old Brass Brains"&#x29

Tide Predicting Machine No. 2 is a special purpose mechanical analog computer for predicting the height and time of high and low tides. When the machine was routinely used, the operator would sit at the desk and turn the crank on the left, which powered the machine. Mechanical components, partially visible on the left, computed the height of tides. These were displayed on the paper tide curve visible at the top right and on the dial below the paper. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. The National Oceanic and Atmospheric Administration (NOAA) occasionally displays the machine at its facility in Silver Spring, Maryland. Tide Predicting Machine No. 2 is a special purpose mechanical analog computer for predicting the height and time of high and low tides. When the machine was routinely used, the operator would sit at the desk and turn the crank on the left, which powered the machine. Mechanical components, partially visible on the left, computed the height of tides. These were displayed on the paper tide curve visible at the top right and on the dial below the paper. The U.S. government used Tide Predicting Machine No. 2 from 1910 to 1965 to predict tides for ports around the world. The machine, also known as “Old Brass Brains,” uses an intricate arrangement of gears, pulleys, chains, slides, and other mechanical components to perform the computations. A person using the machine would require 2-3 days to compute a year’s tides at one location. A person performing the same calculations by hand would require hundreds of days to perform the work. The machine is 10.8 feet (3.3 m) long, 6.2 feet (1.9 m) high, and 2.0 feet (0.61 m) wide and weighs approximately 2,500 pounds (1134 kg). The operator powers the machine with a hand crank. The National Oceanic and Atmospheric Administration (NOAA) occasionally displays the machine at its facility in Silver Spring, Maryland.

Portrait of sexy young woman in office

Portrait of pretty young woman in office

Apple, Devices, Beads

Young woman in headphones recording vocal voice using microphone with pop filter and desk top computer. Home sound studio Modern

Young woman in headphones recording vocal voice using microphone with pop filter and desk top computer. Home sound studio Modern

Popcorn on movie tickets desk top view

Popcorn on movie tickets desk top view

Portrait of sexy young woman in office

Portrait of pretty young woman in office

Laptop with mobile and notebook

Overhead view of laptop computer next to mobile, notebook and pen on white surface. Overhead view of laptop computer next to mobile, notebook and pen on white surface.

ON switch of a desk-top calculator 01

ON switch of a desk-top calculator 01

Birthday greeting cards and wrapped gifts on grey wooden desk top view copyspace

Birthday greeting cards and wrapped gifts on grey wooden desk top view copyspace

Apple, Black, Box

Universal handwritten font. Hand drawn alphabet written with brush pen. White paper, inkwell, ink drops on desk top view

Universal handwritten font. Hand drawn alphabet written with brush pen. White paper, inkwell, ink drops on desk top view

Portrait of sexy young woman in office

Portrait of pretty young woman in office

Many colorful sticky notes on desk top computer monitor

Many colorful sticky notes on desk top computer monitor

Portrait of sexy young woman in office

Portrait of pretty young woman in office

Desk top with items

Desk top with items

Art, Black, And-white

To do list writing. Hand with pen write planner lists, productive organization and notepad on desk top view vector

To do list writing. Hand with pen write planner lists, productive organization and notepad on desk top view vector

Bowl of green pea pod with beans on kitchen desk. Top view

Bowl of green pea pod with beans on kitchen desk. Top view

Black and Gray Laptop Computer on Glass Surface

Black and Gray Laptop Computer on Glass Surface

Person typing on laptop computer

Overhead view of person typing on laptop computer.

Birthday greeting cards and wrapped gifts on grey wooden desk top view copyspace

Birthday greeting cards and wrapped gifts on grey wooden desk top view copyspace

Autumn fall background. Leaves, pumpkins, mug of coffee latter on the vintage wooden board desk , top view. Copy space

Autumn fall background. Leaves, pumpkins, mug of coffee latter on the vintage wooden board desk , top view. Copy space

Desktop calculator paper roll

Desktop calculator paper roll, on blue background

Man working on laptop

A man working on a laptop computer. A man working on a laptop computer.

Desktop calculator paper roll

Desktop calculator paper roll, on blue background

Blur, Close-up, Cup

Close-up of Computer Keyboard on Table

Close-up of Computer Keyboard on Table

Vector series. Electric guitars

Vector series. Electric guitar isolated on white background. Vector series. Electric guitar isolated on white background

Business, Coffee, Communication

Antique, Background, Business

Vector series. Electric guitars

Vector series. Electric guitar isolated on white background. Vector series. Electric guitar isolated on white background

White coffee cup in a business setting

White coffee cup with writing utensils on a wooden table. White coffee cup with writing utensils on a wooden table

Sweets for birthday including lollipop and macarons on wooden desk top view

Sweets for birthday including lollipop and macarons on wooden desk top view

Working on computer

A man working on a computer wearing headset. A man working on a computer wearing headset.

Blank, Business, Composition

Computer and accessories

A desktop computer and accessories with some fashion items and other objects.

Portrait of sexy young woman in office

Portrait of pretty young woman in office

Business team hands at working with financial plan and a tablet, laptop on office desk, Top view shot

Business team hands at working with financial plan and a tablet, laptop on office desk, Top view shot

Background, Balance, Business

Desktop calculator paper roll

Desktop calculator paper roll on a grey background

Coffee and iPhone

Download this free photo in high resolution at ift.tt/1WHHn01. Download this free photo in high resolution at ift.tt/1WHHn01

Beautiful girl with a guitar on a scene

Series. beautiful girl with a guitar on a scene

Notebook and laptop

A person writing on his notebook or journal while working on a laptop seen from above. A person writing on his notebook or journal while working on a laptop seen from above.

Person working on laptop

A person working on a laptop computer. A person working on a laptop computer.

Desktop calculator paper roll

Desktop calculator paper roll, on blue background

Business woman in blue shirt holds pen. clipboard mock up with A4 size white card, isolated on white desk. Top view flat

Business woman in blue shirt holds pen. clipboard mock up with A4 size white card, isolated on white desk. Top view flat

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