The Quarterly Journal of Science, Literature and the Arts, Volume 22

angle aperture aplanatics appears ascertained baryta bodies brome carbon cause charcoal chemical chloric acid chlorine coal series colour combination compound consequently considerable considered containing continued fraction crystals cylinder decomposed degree deposites distance distilled effect electricity elevation employed equal equation examined experiments Farn Island feet fire fluid fraction glass gneiss granite heat hydrogen hygrometer inches latter leech length less lime limestone liquid magnetic manganese mass mean measure mercury metal method microscope mineral mixture muriatic nature naval architecture needle nitric acid object object-glass observed obtained oscillations oxide oxygen paper pendulum perfect phenomena platina portion potash present probably produced proportion puzzolana quantity remarkable respect result Ricochet Ricochet fire rocks salt schist ships solar solution species starch strata substance sulphate sulphuric acid surface temperature theory tion trap troy pound tube vapour veins weight wire