File:JapanesePolishedStoneAxes.JPG

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Polished stone axes. From Hinatabayashi, B site, Shinanomachi, Nagano. Pre-Jomon (Paleolithic) period, around 30,000 BCE. Tokyo National Museum.

Released as Public Domain here

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The following pages on Schools Wikipedia link to this image (list may be incomplete):

History of Japan

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	Canon
Camera model	Canon PowerShot S110
Exposure time	1/15 sec (0.066666666666667)
F-number	f/4
Date and time of data generation	16:56, 3 November 2004
Lens focal length	10.8125 mm
File change date and time	16:56, 3 November 2004
Y and C positioning	Centered
Exif version	2.1
Date and time of digitizing	16:56, 3 November 2004
Image compression mode	5
Shutter speed	3.90625
APEX aperture	4
Exposure bias	0
Maximum land aperture	2.9708557128906 APEX (f/2.8)
Subject distance	0.657 meters
Metering mode	Pattern
Flash	Flash did not fire
Colour space	sRGB
Focal plane X resolution	7,766.9902912621
Focal plane Y resolution	7,741.935483871
Focal plane resolution unit	inches
Sensing method	One-chip colour area sensor

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