page_title: Kunitomo air gun
hierarchical_section_title: Kunitomo air gun
caption_attribution_description: Air gun by Kunitomo, 1820-1830
context_page_description: The Kunitomo air gun was an air rifle circa 1820, by the Japanese inventor Kunitomo Ikkansai that developed various manufacturing methods for guns, and also created an air gun based on the study of Western knowledge acquired from the Dutch in Dejima.
context_section_description: The Kunitomo air gun was an air rifle circa 1820, by the Japanese inventor Kunitomo Ikkansai that developed various manufacturing methods for guns, and also created an air gun based on the study of Western knowledge ("rangaku") acquired from the Dutch in Dejima.
caption: Kunitomo air gun trigger mechanism.
exif: {"Image ImageDescription": "", "Image Make": "SONY", "Image Model": "DSC-T10", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Paint Shop Pro Photo 11.20", "Image DateTime": "2007:05:27 18:05:58", "Image YCbCrPositioning": "Co-sited", "Image ExifOffset": "272", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "860", "Thumbnail JPEGInterchangeFormatLength": "5995", "Thumbnail YCbCrPositioning": "Co-sited", "EXIF ExposureTime": "1/4", "EXIF FNumber": "7/2", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "320", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2007:05:27 22:48:03", "EXIF DateTimeDigitized": "2007:05:27 22:48:03", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "8", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "29/8", "EXIF MeteringMode": "Pattern", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "633/100", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "1536", "EXIF ExifImageLength": "1152", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "718", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal"}