Architectural drawing; Metropolitan Railway - Edgware Road Station: details of arching next the Marylebone Rd, Date: 1860s Drawing: Metropolitan Railway - details of wrought iron tube for tunnel in Park Square c1860s Architectural drawing; Metropolitan Railway - Portland Road (Great Portland Street) Station: ground plan & elevations, Date: 1860s B/W print; Architectural plans showing Portland Road Underground Station (renamed Great Portland Street in 1917), 1862 Drawing: Metropolitan Railway - details of tunnel at Park Square (Bridge C30: private subway) c1863 Drawing: Metropolitan Railway - details of tunnel at Park Crescent c1863 Drawing: Metropolitan Railway - Kings Cross: plan of line at junction of Metropolitan with GNR as in 1863, 1925. Drawing: Metropolitan Railway - Nos 1 & 2 Park Crescent: details of wrought iron girders 1867 Drawing: Metropolitan Railway - Nos 1 & 2 Park Crescent: details of wrought iron girders 1867 Architectural drawing; Metropolitan Railway - Portland Road (Great Portland Street) Station: extension (details of ironwork to carry gas main) 1870s Drawing: Metropolitan Railway - details of ventilator at Portland Road 1870s