1555 Scheubel's multiplication definition from Euclid's Elements
{"Image Make": "Canon", "Image Model": "Canon EOS 40D", "Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS4 Windows", "Image DateTime": "2013:04:26 14:19:56", "Image YCbCrPositioning": "Co-sited", "Image ExifOffset": "230", "GPS GPSVersionID": "[2, 2, 0, 0]", "Image GPSInfo": "964", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1076", "Thumbnail JPEGInterchangeFormatLength": "5403", "EXIF ExposureTime": "1/30", "EXIF FNumber": "28/5", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "200", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2013:04:26 14:08:48", "EXIF DateTimeDigitized": "2013:04:26 14:08:48", "EXIF ComponentsConfiguration": "YCbCr", "EXIF ShutterSpeedValue": "5", "EXIF ApertureValue": "5", "EXIF ExposureBiasValue": "0", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash fired, compulsory flash mode", "EXIF FocalLength": "65", "EXIF SubSecTime": "87", "EXIF SubSecTimeOriginal": "87", "EXIF SubSecTimeDigitized": "87", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "1669", "EXIF ExifImageLength": "1200", "Interoperability Tag 0x0103": "6", "Interoperability Tag 0x011A": "72", "Interoperability Tag 0x011B": "72", "Interoperability Tag 0x0128": "2", "Interoperability Tag 0x0201": "1076", "Interoperability Tag 0x0202": "5403", "EXIF InteroperabilityOffset": "982", "EXIF FocalPlaneXResolution": "324000/73", "EXIF FocalPlaneYResolution": "2592000/583", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}