{ "objects" : [ { "embark_ID" : 180820, "URL" : "https://triarte.brynmawr.edu/Objects-1/info/180820", "Disp_Access_No" : "2011.4.55", "_AccNumSort1" : "", "Disp_Create_DT" : "1750", "_Disp_Start_Dat" : "1750", "_Disp_End_Date" : "1750", "Disp_Title" : "Vue de la Maison de Northumberland a Charing Cross de Londres", "Alt_Title" : "", "Obj_Title" : "", "Series_Title" : "", "Disp_Maker_1" : "Balthasar Friedrich Leizelt", "Sort_Artist" : "Leizelt, Balthasar Friedrich", "Disp_Dimen" : "9 3/4 in. x 15 5/8 in. (24.77 cm x 39.69 cm)", "Disp_Height" : "9 3/4 in.", "Disp_Width" : "15 5/8 in.", "Dimen_Extent" : "Image", "Medium" : "Engraving with hand coloring", "Support" : "", "Disp_Medium" : "Engraving with hand coloring", "Info_Page_Comm" : "In the eighteenth and nineteenth centuries there were many popular speciality establishments in Paris, Augsburg and London which produced optical viewing devices and special engravings to be viewed through them. In the 18th century, a type of perspective print came into existence, whose exaggerated converging lines were intended to produce the optical illusion of deep recession without the benefit of lenses and mirrors. The viewing devices for which these perspective prints were produced consisted of a simple box or frame with a peephole. Later, people peered through lenses, and finally a mirror was incorporated that required the use of reversed or mirror-image pictures. Published in Augsburg in 1750", "Dedication" : "", "Copyright_Type" : "", "Disp_Obj_Type" : "German", "Creation_Place2" : "Germany", "Department" : "Fine Arts", "Obj_Name" : "", "Period" : "", "Style" : "", "Edition" : "", "Curator" : "", "Images": [ { "ImagePath" : "https://triarte.brynmawr.edu/Media/images/2011.4.55_BMC_f_2.jpg", "ThumbnailPath" : "https://triarte.brynmawr.edu/Media/Thumbnails/2011.4.55_BMC_f_2.jpg", "PreviewPath" : "https://triarte.brynmawr.edu/Media/Previews/2011.4.55_BMC_f_2.jpg", "IIIF_URL": "http://iiif.gallerysystems.com/2011.4.55_BMC_f_2.jpg", "IsPrimary" : "0", "_SurrogateID" : "80391", "Image_Type" : "", "Photo_Credit" : "", "Remarks" : "", "View" : "" } , { "ImagePath" : "https://triarte.brynmawr.edu/Media/images/2011.4.55_BMC_f_6.jpg", "ThumbnailPath" : "https://triarte.brynmawr.edu/Media/Thumbnails/2011.4.55_BMC_f_6.jpg", "PreviewPath" : "https://triarte.brynmawr.edu/Media/Previews/2011.4.55_BMC_f_6.jpg", "IIIF_URL": "http://iiif.gallerysystems.com/2011.4.55_BMC_f_6.jpg", "IsPrimary" : "1", "_SurrogateID" : "110564", "Image_Type" : "", "Photo_Credit" : "", "Remarks" : "", "View" : "" } , ] }, ] }