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optical illusion, John Pepper phantom vintage engraving
John Pepper optical illusion performed in theater; suddenly a ghost appears fading in and out. A blue room is placed at one side of the stage where a glass plat reflects the view of the blue room. Used also for … Continued
Horticulture engraving: grafting techniques and grafting knives
Horticulture: grafting techniques and tools. Grafting is a horticultural technique whereby tissues from one plant are inserted into those of another so that the two sets join together.
Agriculture engraving: watering trees in the orchard
Horticulture illustration: a farmer waters his fruit trees in the orchard