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megaphone
megaphone

megaphone

Date1900-1930
Inventory NumberWJ0157
ClassificationMegaphone
Subject
    Cultural Region
      Dimensions13.5 × 13.5 × 25.1 cm (5 5/16 × 5 5/16 × 9 7/8 in.)
      Material
        DescriptionWhat appears to be a piece of bakelite (or plastic?) has been shaped into a cone and is held together by gilded rivets. A circular piece of metal with tightening is at the smaller end of the megaphone and was used as a mouthpiece. It was used to amplify the sound of a human voice.
        Signedunsigned
        megaphone
        William J. Murdock Company
        Date: 1920-1930
        Object number: 2006-1-0115
        megaphone
        American
        Date: late 19th-early 20th Century
        Object number: 1998-1-0870
        speaker for phonograh or radio
        William J. Murdock Company
        Date: 1920-1930
        Object number: WJ0158
        Wimshurst electrostatic machine
        F. Leclercq
        Date: circa 1879
        Object number: DW0005
        mariner's dry card compass with azimuth fixture
        Samuel Thaxter & Son
        Date: 1825-1843
        Object number: DW0519
        toy rocket launcher and model rocket
        German
        Date: circa 1955
        Accessories: cardboard box, one end-flap broken
        Object number: RS0100a,b
        Voss influence machine
        Thomas Hall
        Date: circa 1890
        Accessories: pulley rope
        Object number: 1997-1-1423
        posterized photographic image
        Stephen F. Grohe
        Date: circa 1973
        Accessories: gilt frame; magazine clipping taped to back
        Object number: 1998-1-1293
        box of assorted electric light bulbs
        Sylvania
        Date: late 19th-early 20th Century
        Object number: RS0368
        underwater sound apparatus
        Underwater Sound Laboratory, Harvard University
        Date: 1941-1946
        Object number: 1997-1-0839
        Wimshurst influence machine
        Central Scientific Company
        Date: circa 1940
        Accessories: 2 Leyden condensers made of Pyrex One rubber **gutta percha?** pulley, rotted.
        Object number: 1997-1-0634
        electrical machine glass pieces
        Central Scientific Company
        Date: early 20th Century
        Accessories: 4 glass discs with holes, 3 broken pieces of an electrostatic plate; 2 halves of an older electrostatic plate; 4 large broken glass pieces
        Object number: 1997-1-0695