Light and lighting . ures. For this reason these methodsdo not represent tin- best principlesin Lighting, even aside from their inadequacy in properly lighting eachpainting. Considering the tremendousvalue of paintings it Beems feasible tolight them properly by artificial lightwith the expectation of always viewing them under the same lighting. Thisobviates much difficulty in providingdaylight illumination, which can rarelybe thoroughly satisfactory. Light is the first and last reqnin art. First because the subjiits existence to light. The paintingbecomes largely an expression of i
Light and lighting . ures. For this reason these methodsdo not represent tin- best principlesin Lighting, even aside from their inadequacy in properly lighting eachpainting. Considering the tremendousvalue of paintings it Beems feasible tolight them properly by artificial lightwith the expectation of always viewing them under the same lighting. Thisobviates much difficulty in providingdaylight illumination, which can rarelybe thoroughly satisfactory. Light is the first and last reqnin art. First because the subjiits existence to light. The paintingbecomes largely an expression of is the final requisite because theappearance of the painting is at themercy of the lighting. The artist istherefore a link between two lightingsa mediary who gives to a mood orappearance of lighl permanent is the function of the lighting artistto aid the painter in realising his does not pretend to paint pictures,but it can justly claim a place of highimportance in properly illuminating tin Beleuchtung von Eisenbahn-Pereonen- ird,/i n. Jii/ Dr. Max lii<iin pay*. H-sillustrations.) Bkbb we have another example of a bookdevoted to a specialised section ofilluminating engineering. The author,howe\ er, deals exclusively with generatingproblems and nol with the distribution ofthe light. The firsl pari of the bookdeals with lighl i 11 lt by candlee, oil,petroleum, &c. Subsequently Borne ac-count is given of the use of various kindsof gas and acetylene, reference beingmade to the experiences of railwaycompanies using tl ems. By far the larger pari of th< book isdevoted to electric liLhtinL. We havefirsl bj stems in\ ok inLr the use of accumu-lators pure and -imple. and Becond, aconsiderable varietj of systems usingdynamos in conjunction with accumula-tors. All these the author deals with indetail, and he adds particulars of thevarious accessories used in electric trainlight ing. Im: book i- conclude d by an analysisof t
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