EditorialFred Eversley, a sculptor, stands alongside one of his parabolic lenses that is installed on the ground floor of his five-story building in Manhattan’s SoHo neighborhood in New York on Aug. 16, 2022. (Elliott Jerome Brown Jr./The New York Times)
EditorialThe Redwood Forest Institute's Parabolic Glass House, designed and built by Charles Bello, in Mendocino County, Calif., June 2, 2021. (Drew Kelly/The New York Times)
EditorialParabolic bridge. Model by Ermenegildo Menighetti, 1952-1953. Leonardo's drawing (Codex Atlanticus, sheet 855, 1480-90). The science and Technology Museum Leonardo da Vinci. Milan. Italy.
EditorialParabolic bridge. Model by Ermenegildo Menighetti, 1952-1953. Leonardo's drawing (Codex Atlanticus, sheet 855, 1480-90). The science and Technology Museum Leonardo da Vinci. Milan. Italy.
EditorialMedieval war machine. Catapult. Parabolic motion machine, used to launch long-distance projectiles. Engraving. Museo Militar, 1883. Later colouration.
EditorialLinea parabolica, reflex beam, the Lineae Parabolic their focal point, Brenn-Glass, Construction of parabolas, firing glasses, Fig. 140-156, p. 107, Christian Schessler: Demonstrationes mathematicae oder Untersuchung derer mathematischen Warheit- und U...
EditorialCirculation Segment, Parabolic Line, Construction of Circular Segments and Parabolas, Figs. 140-145, p. 107, Christian Schessler: Demonstrationes mathematicae oder Untersuchung derer mathematischen Warheit- und Unwarheiten; allwo von der Arithmetica, G...
EditorialLight for a Lighthouse, so-called Argand lamp, consisting of a lamp holder with oil reservoir and a parabolic mirror, all mounted on a brass bracket. The oil reservoir, placed against the mirror at the back, is an elegantly designed and partially gilde...
EditorialModel of a trunk engine, Model of a Trunk Engine, Model of a 150 hp trunk machine or tubular machine placed in a cross section of a ship. No boiler, the propeller shaft is shortened and provided with a two-blade parabolic propeller, the machine can be ...
EditorialHair comb of imitation turtle with smooth, parabolic back, four teeth, parabolic back with two lanes in relief. Four teeth., anonymous, Netherlands (possibly), c. 1800 - c. 1825, celluloid (cellulosic), cellulose acetate, polishing, h 8.7 cm ? w 9 cm ?...
EditorialModel of a Two-Blade Parabolic Propeller, Model of a two-blade parabolic propeller in a frame on a floorboard. The pressure surface of the propeller blades is curved in the form of a parabola. The screw probably does not belong in this frame, which can...
EditorialModel of a Two-Blade Parabolic Propeller, Model of a two-blade parabolic propeller in a frame on a floorboard. The pressure surface of the propeller blades is curved in the form of a parabola. The screw can be turned with a crank. The model has a pitch...
EditorialParabolic bridge. Model by Ermenegildo Menighetti, 1952-1953. Leonardo's drawing (Codex Atlanticus, sheet 855, 1480-90). The science and Technology Museum Leonardo da Vinci. Milan. Italy.