| Image | Source | Observations from the source | Maker (or retailer) | 
     
      | 
 | Padgitt
      DL (1975) A short history of the early American microscope. Microscope
      Publications Ltd. Chicago | The
      "Acme" No. 3 as advertised in 1880 |   | 
     
      | 
 | Bracegirdle
      (2005) A catalogue of the microscopy collections at the science museum,
      London, Little Imp Publications (CD) | Professional
      microscope, c. 1890 | Bausch
      & Lomb | 
     
      | 
 | R
      & J Beck’s catalogue (1882) | The
      improved national binocular microscope | Beck | 
     
      | 
 | R
      & J Beck’s catalogue (1882) | The
      improved national monocular microscope | Beck | 
     
      | 
 | Padgitt
      DL (1975) A short history of the early American microscope. Microscope
      Publications Ltd. Chicago | Mcintosh
      microscope (1891 – 92) | Mcintosh | 
     
      | 
 | JRMS 1881 (pp. 937) | "Acme" Lithological Microscope Sidle | Sidle | 
     
      | 
 | Bracegirdle
      (2005) A catalogue of the microscopy collections at the science museum,
      London, Little Imp Publications (CD) | Compound
      microscope, 1883 | Beck | 
     
      | 
 | Hansen,
      J. L. et al. (1974) The Billings microscope collection. Armed Forces
      Institute of Pathology, Washington, USA | Acme
      Optical Works (c. 1880) | ACME | 
     
      | 
 | AS
      Aloe’s catalogue (1893) | Diagnostician
      microscope No. 1 | Aloe | 
     
      | 
 | AS
      Aloe’s catalogue (1893) | Diagnostician
      microscope No. 2 | Aloe | 
     
      | 
 | Bausch
      & Lomb’s catalogue (1877) | No.
      540, the investigator microscope | Bausch & Lomb | 
     
      | 
 | Bausch
      & Lomb’s catalogue (1877) | No.
      540, the investigator microscope | Bausch & Lomb | 
     
      | 
 | Bausch
      & Lomb’s catalogue (1892) | H –
      investigador microscope | Bausch & Lomb | 
     
      | 
 | Bausch
      & Lomb’s catalogue (1892) | H –
      investigador microscope | Bausch & Lomb | 
     
      | 
 | Bausch
      & Lomb’s catalogue (1892) | J –
      universal microscope | Bausch & Lomb | 
     
      | 
 | Bausch
      & Lomb’s catalogue (1899) | American
      type microscope J | Bausch & Lomb | 
     
      | 
 | Clark
      (1900) | Universal
      microscope Bausch
      and Lomb | Bausch
      & Lomb | 
     
      | 
 | Hansen,
      J. L. et al. (1974) The Billings microscope collection. Armed Forces
      Institute of Pathology, Washington, USA | Bausch
      & Lomb (c. 1887) | Bausch
      & Lomb | 
     
      | 
 | J
      Behrens (1885) | Bausch
      and Lomb universal stand Bausch
      and Lomb | Bausch
      & Lomb | 
     
      | 
 | JRMS 1881 (pp. 113) | Investigator Microscope Bausch & Lomb | Bausch & Lomb | 
     
      | 
 | JRMS 1889 (pp. 331) | American Type Microscope Bausch & Lomb | Bausch
      & Lomb | 
     
      | 
 | Lentz,
      T. L. (2017) Lentz Microscopy and Histology Collection. Peabody Museum of
      Natural History at Yale University | Bausch
      & Lomb investigator’s Microscope 1885 | Bausch
      & Lomb | 
     
      | 
 | Padgitt
      DL (1975) A short history of the early American microscope. Microscope
      Publications Ltd. Chicago | Bausch
      & Lomb "Universal" stand (c. 1884) | Bausch
      & Lomb | 
     
      | 
 | Phin
      (1881; 1882; 1890) | Investigator
      microscope Bausch
      and Lomb | Bausch
      & Lomb | 
     
      | 
 | Sharp
      & Smith’s catalogue (1893) | Investigator
      microscope (Bausch & Lomb) | Bausch & Lomb | 
     
      | 
 | Sharp
      & Smith’s catalogue (1893) | Universal
      microscope (Bausch & Lomb) | Bausch & Lomb | 
     
      | 
 | Van
      Heurck (1893) | Universal
      microscope Bausch
      and Lomb | Bausch
      & Lomb | 
     
      | 
 | Whethered
      (1892) | Universal
      microscope Bausch
      and Lomb | Bausch
      & Lomb | 
     
      | 
 | Wythe
      (1883) | Investigator
      microscope Bausch
      and Lomb | Bausch
      & Lomb | 
     
      | 
 | Hogg
      (1883; 1886; 1890) | Ideal
      microscope Beck | Beck | 
     
      | 
 | JRMS 1881 (pp. 805) | Ideal Microscope Beck | Beck | 
     
      | 
 | R
      & J Beck’s catalogue (1882) | The
      ‘Ideal’ monocular microscope stand | Beck | 
     
      | 
 | R
      & J Beck’s catalogue (1882) | New
      lithological microscope stand | Beck | 
     
      | 
 | J
      Behrens (1885) | Bulloch’s
      biological stand Bulloch | Bulloch | 
     
      | 
 | J
      Behrens (1885) | Bulloch’s
      new student stand Bulloch | Bulloch | 
     
      | 
 | JRMS 1880 (pp. 1079) | Biological Microscope Bulloch | Bulloch | 
     
      | 
 | JRMS 1887 (pp. 140) | Student Microscope Bulloch | Bulloch | 
     
      | 
 | Padgitt
      DL (1975) A short history of the early American microscope. Microscope
      Publications Ltd. Chicago | "New
      Biological" stand introduced by Bulloch
      in 1880 | Bulloch | 
     
      | 
 | Padgitt
      DL (1975) A short history of the early American microscope. Microscope
      Publications Ltd. Chicago | Bulloch's
      "Professional No . 2" microscope (c . 1 885 ) | Bulloch | 
     
      | 
 | Phin
      (1881; 1882; 1890) | New
      biological stand Bulloch | Bulloch | 
     
      | 
 | Bracegirdle
      (2005) A catalogue of the microscopy collections at the science museum,
      London, Little Imp Publications (CD) | Biological
      microscope Nº. 1, c. 1880 | Bulloch | 
     
      | 
 | B. Kahn & Son’s catalogue (c. 1890) | Universal
      microscope (12 inches in height) | Kahn | 
     
      | 
 | Bracegirdle
      (2005) A catalogue of the microscopy collections at the science museum,
      London, Little Imp Publications (CD) | Centennial
      binocular microscope, c. 1880 | Zentmayer | 
     
      | 
 | J.
      Queen’s catalogue (1883) | ACME
      microscope No. 3, new model | Queen | 
     
      | 
 | Phin
      (1881; 1882) | ACME
      binocular microscope Sidle | Sidle | 
     
      | 
 | Stendicke’s
      catalogue (1890s) | Investigator
      microscope | Stendicke | 
     
      | 
 | Turner
      GE (1989) The great age of the microscope (Catalogue of the RMS
      collection), Bristol | R
      & J Beck (c. 1880) | Beck | 
     
      | 
 | Lentz,
      T. L. (2017) Lentz Microscopy and Histology Collection. Peabody Museum of
      Natural History at Yale University | Bausch
      & Lomb Universal Microscope, 1895 | Bausch
      & Lomb | 
     
      | 
 | Bausch
      & Lomb (1900) | American
      type microscope J | Bausch
      & Lomb  | 
     
      | 
 | Carl
      Seiler (1881) Compendium of microscopical technology a guide to
      physicians and students in the use of the microscope | Investigator microscope (advert) | Bausch & Lomb | 
     
      | 
 | Carl
      Seiler (1881) Compendium of microscopical technology a guide to
      physicians and students in the use of the microscope | New
      model USAH microscope (advert) | Zentmayer | 
     
      | 
 | Charles
      Clark (1900) Practical methods in microscopy | Universal microscope | Bausch & Lomb | 
     
      | 
 | Chas
      Lentz & Sons (1891) | American
      physician’s microscope |   | 
     
      | 
 | Chas
      Lentz & Sons (1891) | Improved
      pathological microscope |   | 
     
      | 
 | Chas
      Lentz & Sons (1891) | Professional’s
      microscope |   | 
     
      | 
 | Chas
      Stowell & Louisa Stowell (1882) Microscopical diagnosis | The Ideal microscope (advert) | Beck | 
     
      | 
 | Edward
      Bausch (1891) Manipulation of the microscope | Microscope |   | 
     
      | 
 | Edward
      Bausch (1891) Manipulation of the microscope | Universal microscope | Bausch & Lomb | 
     
      | 
 | Julius
      Wilhelm Behrens (1885) A guide for the microscopical investigation of
      vegetable substances | New
      student microscope | Bulloch | 
     
      | 
 | Julius
      Wilhelm Behrens (1885) A guide for the microscopical investigation of
      vegetable substances | Universal
      stand | Bausch
      & Lomb | 
     
      | 
 | George
      Davis (1889) Practical Microscopy | Universal
      microscope | Bausch
      & Lomb | 
     
      | 
 | George
      Davis (1889) Practical Microscopy | ACME
      No. 3 | Queen | 
     
      | 
 | George
      Davis (1882, 1889) Practical Microscopy | Microscope | Bulloch | 
     
      | 
 | JE
      Smith (1880) How to see with the microscope | American
      histological stand | Zentmayer | 
     
      | 
 | Julius
      Wilhelm Behrens (1885) A guide for the microscopical investigation of
      vegetable substances | Biological
      stand | Bulloch | 
     
      | 
 | McIntosh
      Battery & Optical (1895) | Dr
      Mcintosh professional microscope | Mcintosh | 
     
      | 
 | Sharp
      & Smith (1889) | Investigator
      microscope | Bausch
      & Lomb | 
     
      | 
 | George
      Davis (1889) Practical Microscopy | Congress
      stand | Bulloch | 
     
      | 
 | Sharp
      & Smith (1889) | Universal
      microscope | Bausch
      & Lomb | 
     
      | 
 | Julius
      Wilhelm Behrens (1885) A guide for the microscopical investigation of
      vegetable substances | Acme
      microscope | James
      Queen | 
     
      | 
 | T
      White (1887) The students handbook to the microscope A practical guide to
      its selection and management | National
      microscope | Beck |