Variation, magnetic, see [Magnetic.]
Varnish, for articles of cast iron, xxvii, 199.
—, copal, J. J. Berzelius, xvii, 175.
—, seedlac, receipt for, ix, 169.
Varrentrapp and Will, new mode of determining the quantity of nitrogen in organic compounds, xlii, 263f; xlv, 267.
Vase, Warwick, notice of, xxvi, 244.f
—, Portland, xxvi, 243.f
—, terra cotta, from Pompeii, xxvi, 238.f
—, Murrhine, xxvi, 336.