Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 20
ea what materials make intermediatevalues. The aerial photograph of the landscapeunderneath (Fig. 4) gives a good ideaof the various tone values of differentgrowths of vegetation. You have thelightest in the smooth roadways and thedarkest where the vegetation is roughest.This photograph shows the… … Fig. 3.—A method of painting a largebuilding. horizontal appearance where most of thelight is reflected or refracted. Grasspressed fiat naturally reflects light up-wards and that is why tracks show alighter tone. The slightest disturbancein a field originally photographing aneven tone is shown up…
Lighting
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![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-153-46.webp)
