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       **W Watson (1884)  
      Microscopes, objectives
      and accessory apparatus (7th edition) 
       | 
      
       **W Watson (1896)  
      Microscopes, objectives
      and accessory apparatus 
       | 
      
       *W Watson (1905)  
      Supplemental list of binocular
      glasses, telescopes, astronomical and portable (June) 
       | 
      
       *W Watson (1905)  
      Microscopes, objectives,
      accessory apparatus (March) 
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       *W Watson (1905)  
      New model microscopes, the
      Praxis, the Bactil (September) 
       | 
      
       *W Watson (1906)  
      Microscopes and accessories (18th
      edition) 
       | 
      
       W Watson (1912)  
      Microscopes and their
      accessories 
       | 
      
       *W Watson (1918)  
      Microscopes and accessories (25th
      edition) 
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       *W Watson (1921)  
      Microscopes and accessories (28th
      edition) 
       | 
      
       W Watson (1924)  
      Microscopes and their
      accessories (30th edition) 
       | 
      
       W Watson (1930s)  
      Microscopes and accessories
      (Part I; 35th edition) 
       | 
      
       W Watson (1930s)  
      Microscopes and accessories
      (Part I; 36th edition) 
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       W Watson (1930s)  
      Microscopes and accessories
      (Part II; 36th edition) 
       | 
      
       W Watson (1930s)  
      Objects for the microscope
      (Part III; 36th edition) 
       | 
      
       W Watson (1930s)  
      Instruments for metallurgy
      (Part IV; 36th edition) 
       | 
      
       W Watson (1930s) 
       The book of the
      Watson microscope 
        
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       W Watson (1936) 
       Microscopes for
      students and research 
        
       | 
      
       W Watson (1940s) 
       Handbook For The Service Microscope 
        
       | 
      
       W Watson (1940s) 
       The Service
      Microscope 
        
       | 
      
       W Watson (1945) 
       Microscopes and accessories
      38th edition part 1 
        
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      | 
       W Watson (1945) 
       Microscopes and
      accessories 38th edition part 2 
        
       | 
      
       W Watson (1946)  
      Microscopes and accessories
      (Part II; 38th edition) 
       | 
      
       W Watson (1946)  
      Microscopes and accessories
      (Part I; 38th edition) 
       | 
      
       W Watson (1950s) 
       Phase contrast 
        
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       W Watson (1950s) 
       Stereoscopic
      microscopes 
        
       | 
      
       W Watson (1950s) 
       Binocular microscopes 
       | 
      
       W Watson (1950s) 
       Accessories for
      Watson microscopes 
       | 
      
       W Watson & Sons (1950s) 
       Darkground illumination 
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       W Watson (1952) 
       Service II Students
      Microscope 
        
       | 
      
       W Watson (1960s) 
       Handbook For The Service 3 Microscope 
        
       | 
      
       W Watson (1960s) 
       Microsystem 70 the new
      standard 
        
       | 
      
       W Watson (1960s) 
       Microsystem 70 Hilux 
        
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       W Watson (1960s) 
       Microsystem 70
      Illustrated Guide 
        
       | 
      
       W Watson (1960s) 
       Microsystem 70 Phase
      70 and student phase 
       | 
      
       W Watson (1960s) 
       Microsystem 70
      Optical Components 2 
        
       | 
      
       W Watson (1960s) 
       Microsystem 70
      Optical Components 
        
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       W Watson (1965) 
       The Improved Service
      3 Microscope 
        
       | 
      
       W Watson (1966) 
       Stereomicroscopes for
      medicine education and industry 
       | 
      
       W Watson (1967) 
       Microsystem 70
      Photographic Equipment 
        
       | 
      
       W Watson (1968) 
       Microsystem 70
      Suggested Outfits 
        
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       W Watson (1968) 
       Service Microscope 
        
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       Wild
      (1960s) 
       M20 microscope 
       | 
      
       Wild
      (1962) 
       M20 microscope manual 
       | 
      
       Wild (1962)  
      M20 microscope, instructions
      for use 
       | 
      
       Wild (1964)  
      M5 stereomicroscope,
      instructions for use 
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       Wild (1965)  
      Microscopes price list 
       | 
      
       Wild (1970s)  
      M21 polarizing microscope 
       | 
      
       Wild (1970)  
      M11 microscope, instructions
      for use 
       | 
      
       Wild (1970s)  
      M11 microscope, instructions
      for use 
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       Wild (1970)  
      Incident light attachments for
      Wild M12 and M20 microscopes 
       | 
      
       Wild (1971)  
      M11, An expansible
      microscope ideas for field work, courses and laboratory 
       | 
      
       Wild (1971)  
      Transmitted light base III,
      instructions for use 
       | 
      
       Wild (1972) 
       Microscope Optics the Most Important
      Part 
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       Wild (1975)  
      M7S zoom stereomicroscope 
       | 
      
       Wild (1975)  
      M8 zoom stereomicroscope 
       | 
      
       Wild (1975)  
      M5 stereomicroscope 
       | 
      
       Wild (1975)  
      Cameras
      for photomicrography 
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       Wild (1975)  
      M1 stereomicroscope 
       | 
      
       Wild (1976)  
      M3 stereomicroscope 
       | 
      
       Wild (1977) 
       M8
      instructions manual 
       | 
      
       Wild (1986) 
       M8
      Instructions 
       | 
     
     
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      | 
       Wild-Leitz (1985) 
       Microscopes macroscopes and microtomes 
       | 
      
       Wild-Leitz (1990s) 
       Stereoscopes M3 manual 
       | 
      
         
       | 
      
         
       |