My guess is that 100-130 refers to 100/130 avgas that used to be popular, although I'd love an email from somebody who has a better idea or more complete information.
File: IMG_9610.JPG File size: 1,792KB Image Serial Number: 196-9610 Camera Model: Canon PowerShot G2 Firmware: Firmware Version 1.01 Date/Time: 2002.10.14 17:50:59 Shutter speed: 1/160 sec Aperture: 2.5 Exposure mode: Av Flash: Off Metering mode: Evaluative Drive mode: Single frame shooting ISO: 50 Lens: 7.0 to 21.0 mm Focal length: 10.0 mm Subject distance: 0.51 m Macro focus: On AF mode: Single AF Focus point: [Center] Image size: 1704 x 2272 Image quality: Superfine White balance: Auto Saturation: High Sharpness: Normal Contrast: High User comments: "My guess is that 100-130 refers to 100/130 avgas that used to be popular, although I'd love an email from somebody who has a better idea or more complete information."