O-scale (Lionel size), G-scale (often found in garden railroads), F-scale, 7.25-gauge, 7.5-gauge (1.5 inches to the foot) and larger. The show covers all facets of large-scale railroading ...

New Delhi, Apr 16 (PTI) Gold prices soared by Rs 1,650 to hit an all-time high of Rs 98,100 per 10 grams in the national capital on Wednesday amid a global rush for safe-haven buying triggered by ...

We combined filtration and concentration steps for large-scale preparations (hundreds of grams ... accommodating semi-industrial production demands for preparing up to 520 g of the diene in a single ...