The boy's own book of indoor games and recreations : a popular encyclopædia for boys (1890)
Stables, Gordon, 1840-1910, Hutchison, George Andrew, 1841-1913 · Philadelphia : J.B. Lippincott · leaf 256
f possible have a round argand wick; buta flat one will do fairly well. The round shape of the wick is suggested as givingin the majority of instances the most equable light. The bottom of the doorshould be cut away slightly or perforated, as in the sketch, so as to allow air toenter freely, as no… … Fig. 2. Fig. 3. about until the proper position of the lamp mth regard to the lens and slides canbe found by experiment, and all risk of failure avoided When the correct distanceis found the top should be screwed down and trimmed to shape. Inside the box,below the chimney, a ring or stop should be…
Games · Amusements
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