Inquiry (采购产品): mechanical revolution counter Hi, my son is doing a science project for school measurint the brightness of a light bulb and needs to obtain a mechanical revolution counter. Can you advise me as to what one I should order. NEED TO KNOW ASAP SO I CAN ORDER FROM YOU. **** Hidden Message ***** Terri Sirianni 290 Norristown Road Blue Bell, PA 19422 USA Company: bYWEEKLY mORTGAGE Phone: 6102034210 E-mail: byweekly@aol.com **** Hidden Message ***** byweekly@aol.com
