চিত্র:Yardstick.jpgDescriptionYardstick.jpg picture of yardstick (two yardsticks, actually) Date 5/4/08 Source Own work Author RJFJR
চিত্র:YardStick.jpgDescriptionYardStick.jpg English: Yardsticks, in inches and division of yard for half, quarter, eighth and sixteenth. Wooden with brass ends. Date 26
চিত্র:DI Yardstick HD.jpgDescribed in detail at "The PHIA Probability Yardstick", p29 of: Professional Development Framework for All-Source Intelligence Assessment[1] (PDF), Professional
চিত্র:Wedgwood Rock, yardstick.JPGDescriptionWedgwood Rock, yardstick.JPG English: Wedgwood Rock glacial erratic at NE 72nd Street and 28th Avenue NE in Seattle, Washington, US. Stick