Telegraph Receiver with Coherer by Max Kohl, 1903

Spark Telegraphy Receiver by Bing, c. 1907 Gebrüder Bing, Nuremberg. Toy telegraph, catalog no. 14074, receiver, with coherer, decoherer (clapper), electromagnet and bell, on polished wood board

Marconi's Coherer Receiver Exact copy based on the receiver in the Science Museum, London. Containing coherer with tapper unit, telegraph relay and battery box on wooden base. With spare handheld gene

Prussian Telegraph Receiver and Accessories, c. 1885 Ink writer, signed "Siemens & Halske, Berlin", no. 70987, spring-driven motor, on ground plate with drawer and paper strip, working. Brass Morse k

Very Large Induction Coil by Max Kohl, c. 1915 Max Kohl, Chemnitz, Germany. Coil length 12 ¼ in., length of the spark gap approx. 6 in., with mercury and platinum interrupters and Ruhmkorff's commuta

Prussian Telegraph Receiver and Accessories, c. 1885 Ink writer, signed "Siemens & Halske, Berlin", no. 70116, spring-driven motor, on baseplate with drawer and paper strip, working. - In addition: B

Hasler & Escher Morse Telegraph, c. 1880 Swiss ink-writer telegraph receiver, marked: "Hasler & Escher - Bern". Serial no. 4193, clockwork-driven (working), with 2 paper-strip coils on top, original

2 Brass Telegraphs 1) Prussian telegraph receiver, c. 1875, ink writer, signed "Siemens & Halske, Berlin", no. 55916, spring-driven motor, on baseplate with drawer and paper strip, working. - And: 2)

Ericsson Morse Telegraph, c. 1880 L.M. Ericsson & Co., Stockholm, No. 2788, ink-writer telegraph receiver, spring-drive (defective), with paper-strip coil on top, original lacquered brass, three bevel

Rare Czech Morse Telegraph, c. 1880 By František Štěpánek & Spol, Pardubice. No. 289, ink-writer telegraph receiver, spring-drive (working), with one paper strip spool on top, orig

Ericsson Morse Telegraph, c. 1880 L.M. Ericsson & Co., Stockholm. No. 6739, ink-writer telegraph receiver, spring-drive (working), with paper-strip coil on top, original lacquered brass, three bevelle

5 Devices for Electrostatic Generators, c. 1910 1) Large oval conductor by "Max Kohl, Chemnitz", on isolating glass pillar. – 2) Luminous tube, length 36 ¾ in. – 3) Electric egg, for showing effe

Wireless Telegraphy Coherer Receiver by Meiser & Mertig, c. 1905 Precision mechanics workshops, Dresden. Complete receiving station with fritter, knocker, bell and simple relay for operating the fritt

Circa 1945. Oil on canvas with impasto. 42 x 32 inches. 44 x 34 x 2 1/2 inches (overall) Framed.

Circa 1940. Signed lower right. Oil on burlap. 20 3/16 x 24 inches. 27 x 30 3/4 inches (overall). Framed. This important painting dates to the beginning of Abstract Expressionism. It was painted at a

Max Arthur Cohn (1903 - 1998) Watercolor on Paper, Signed Lower Left, Measures ( x inches) w/frame ( x inches) Born in London, England, Max Cohn became an artist primarily known for scenes of New York

Max Arthur Cohn (1903-1998) New York Street Scene signed 'MAX ARTHUR COHN' (lower right) and signed again and numbered '324,' dated and inscribed with title (on the stretcher) oil on canvas 22 x 28 1/

Max Schnitzler (American, 1903-1999) Untitled Signed bottom right, also signed, dated 'July 1947' and dedicated verso, oil on canvas. (11 1/2 x 15 5/8 in (29.

Max Kahn (American, 1903-2005) Quiet Dawn. Oil on canvas, signed lower right. Provenance: Fairweather Hardin Gallery, Chicago 34" x 42" Frame: 42" x 49.5"

Max Kahn (American, 1903-2005) Landscape. Oil on canvas, signed lower right 32" x 40" Frame: 39.75" x 47.75"

Max Schnitzler (American, 1903-1999) Untitled, c. 1942 oil on canvas signed Schnitzler (lower right) 24 x 28 inches. Property from the Collection of Dr. Bilkey, Chicago

Max Kahn (American, 1903-2005) Home Stretch. Oil on paper, signed lower left. Provenance: Fairweather Hardin Gallery, Chicago 7.25" x 12" Frame: 13.5" x 18"

3 Small Demonstration Telegraphs, 1900 onwards 1) Dial telegraph, transmitter and receiver, marked "A. van Umden, Amsterdam", defective. - 2) Morse telegraph, manufacturer: Breukhoven & Co, Rotterdam

Max Arthur Cohn (American 1903-1998) ''Brooklyn Bridge''- watercolor on paper, 1928, signed M. A. Cohn lower center. 11 3/4 x 17 1/2''

Max Arthur Cohn (American, 1903-1998) Railroad Yards. Watercolor, signed lower right and dated 1959 15" x 20.75" Frame: 23.5" x 29.25"