Installing Your Wood Floors - Cost Factors. Installing hardwood flooring costs between $250 and $7,000, but the total price will vary depending on many factors. Some of those factors include what kind of flooring you decide to install, its quality or grade and how complex the installation job will be for a professional.
The early cameras were very boxy things with the very first often being similar in size to a coffin. the first camera was called a camera obscura. it was invented in the middle ages to aid artists in doing realistic paintings.
He invented the first pinhole camera (also called the Camera Obscura} and was able to explain why the images were upside down. 1  The first casual reference to the optic laws that made pinhole cameras possible was observed and noted by Aristotle around 330 BC.