Jackson, Frank G · London : Chapman & Hall · leaf 235
s, presented in a much less expensive form, and will befound to be equally good for educational purposes and for all ordinary work. THE PUBLIC SCHOOLS DRAWING SETS. Comprising a Drawing Board, made of well-seasoned deal, with hard woodbattens, X-Square, and 450 and 6o° Set Squares, fitting together… … THE PRIZE MICROSCOPE. This Instrument combines steadiness, portability, and opticalexcellence, at a very moderate price. The compound body, whichslides smoothly in a cloth-lined collar, may be used erect, or inclinedat various angles, and is kept in position by a jointed steadying arm.The Stand is…
Decoration and ornament
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