Madame Tussaud's Waxworks
Magazin Boutique
Magdalene College, Cambridge
Manchester House of Recovery
Manchester Institution for the Deaf and Dumb
Manchester Ship Canal
Mansion House
Manual Training School, St Louis
Maplin Sands Pile Lighthouse
Mariner's Church, Liverpool
Marischal College, Aberdeen
Marylebone Institute
Marylebone Vestry
Massachusetts Institute of Technology
Maternité Hospital, Paris
Matlock Bath. botanical gardens
Maudslay Sons & Field Ltd, firm
Maull and Polyblank, firm
McKay Shoe Machinery Company, firm
Meares, Etches, and Company (Messrs), firm
Medical College of Bengal, Calcutta
Medical Society of London
Medico-Chirurgical Society of Edinburgh
Melville Hospital, Chatham
Mendelssohn & Co, Berlin, bankers
Mercedita, ship
Merchant Taylors' Company
Mercurius, ship
Merrimac, ship
Meteorological Office
Meteorological Society
Metropolitan Board of Works
Metropolitan District Railway Company
Metropolitan Railway Company
Metropolitan Tabernacle
Michigan Central Railroad
Microcosm
Microscopical Society
Middlesex Hospital
Midland Railway Company
Millwall Iron-Works Company
Miniature, ship
Missouri Botanical Garden, St Louis
Monarch, ship
Moniteur, ship
Monitor, ship
Monongahela, ship
Mont Blanc, ship
Mont Cénis Tunnel
Montague House, Bloomsbury
Mudie's Circulating Library
Muscovy Company
Musée Cantonal de Zoologie, Lausanne
Muséum d'Histoire Naturelle, Paris
Musée d'Histoire Naturelle de Genève
Museum in the Broadway
Museum of Comparative Anatomy
Museum of Economic Geology, Charing Cross
Museum of Fish Culture, South Kensington
Museum of Irish Industry
Museum of Naval Architecture
Museum of Practical Geology, Jermyn Street
Museum of Science and Art, Edinburgh