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ORIGINAL ARTICLES ON THIS WEB SITE

SCROLL DOWN FOR A LIST OF ORIGINAL ARTICLES (WRITTEN BY ME) ABOUT SCIENTIFIC INSTRUMENTS ON THIS SITE; now arranged by alphabetical order.

The links below will take you to review articles and to webpages which are more than just a description of an instrument.

  1. Accessories: A Review of Accessories Supplied with Antique Microscopes.
  2. History of the Development of the Achromatic-Aplanatic Microscope
  3. Algensuschers:What is an Algensuscher?
  4. APERTOMETERS: A brief history
  5. APPRAISALS: What you need to know about the value of antique microscopes, including services I can provide to help.
  6. Bausch & Lomb: Early Simple Microscopes by Bausch & Lomb including the American Agriculturist Microscopes
  7. Some Corrections and Additions to BRACEGIRDLE's Notes on Modern Microscope Manufacturers
  8. Bulloch: Evolution of Walter H. Bulloch Microscopes-a nearly comprehensive review of all known models which includes engravings and images of many examples
  9. Bulloch Improvements: Improvements and Changes of Bulloch Microscopes over Time
  10. Bulloch Serial numbers-a partial listing of known serial numbers and models of microscopes made by Walter Bulloch and successors
  11. Bulloch Signatures: a review of the signatures on microscopes made by Walter Bulloch and successors
  12. Bulloch Workplaces: A review of Walter Bulloch's known places of work and occupation
  13. Bulloch References: References pertaining to the history of Walter Bulloch's Microscopes
  14. CAMERA LUCIDAS-the types and their history
  15. Collecting: My Advice on Collecting
  16. Compass Microscopes: A Brief History of the Compass Microscope
  17. Compound Microscopes: A Brief History of the Compound Microscope
  18. Compressors (Compressoria): A review of the main types of compressor and how they work.
  19. Cary-Gould: Evolution of the Cary-Gould Microscope as seen through Gould's Books
  20. Correction collars: History and examples
  21. Correction collars: Simple Method of Using
  22. Coverglass Micrometers and their History
  23. Coverings of the optical tubes of microscopes; Shagreen and other Coverings for the tubes of microscopes
  24. Dalton and Tolles Microscopes: microscopes made by Robert Tolles, C. X. Dalton, and the Boston Optical Works
  25. Dark Ground & Oblique Illumination: History of the Development of DARK GROUND(aka Dark Field) and OBLIQUE Illumination
  26. Some help on DATING scientific instruments
  27. Dick Microscopes: An example by Swift and the history of the Dick Petrographic microscopes including other examples
  28. The DOUBLE IMAGE PRISM from an 1847 microscope, and experiments with a birefringent crystal
  29. History of the MARTIN or DRUM type MICROSCOPES.
  30. SMALLER TOYDRUM MICROSCOPES of the late 19th and 20th Centuries.
  31. The Watson EDINBURGH microscopes and their evolution.
  32. Fingerprint Magnifiers
  33. EIKONOMETER: Determining the Magnification of any combination of an eyepiece and objective of a microscope using the Wright Eikonometer.
  34. Episcopic Illumination and Vertical Illuminators
  35. Folding Simple Microscope: 'Jones Type' of Folding 'Flower or Insect Microscopes'
  36. FOLDING PORTABLE MICROSCOPES-History of the LIGHT-WEIGHT FOLDING PORTABLE Achromatic Microscope
  37. Folding 'Botanical' Simple Magnifiers especially of Horn and Shell
  38. FROG-PLATES AND FISHPLATES
  39. A Glossary of Terms commonly used with antique and other microscopes
  40. Gould: Evolution of the Cary-Gould Microscope as seen through Gould's Books
  41. Gould's Improved Compound Pocket Microscope-details
  42. Gould's Test Objects and the Gould Microscope-what is that test slide with these microscopes?
  43. Griffith's Microscopes: History of the Griffith Club Microscope and the Griffith Microscope invented by Ezra Griffith
  44. Grunow: The First Class Grunow Microscope of Dr Octavius White
  45. History of Laban HEATH's Microscopes
  46. Hot Stages and Warm Stages
  47. The 'Household' Microscopes: A review of many models of the 'Household Universal' microscope invented by T.H. McAllister and copied by many makers in the U.S.A. and France.
  48. ILLUMINATION SOURCES: An abbreviated History of Artificial Illumination Sources for the microscope.
  49. Incubating Warm Stages and Hot Stages
  50. The 'Insect or Seed' cylindrical microscopes
  51. Microscope LAMPS AND CANDLE HOLDERS: An abbreviated History of Artificial Illumination Sources for the microscope.
  52. Leuwenhoek: The Microscopes of Antoni van Leeuwenhoek.
  53. Lever Stages of Cornelius Varley and Alfred White-give credit where credit is due!
  54. 'Light Modifiers' and the 'Gifford Screen' filter for photomicrography, a history and review.
  55. Linen Provers, Thread Counters and Related Microscopes and some other instruments, past and present
  56. Liveboxes: A brief review of the main types of livebox and how they work.
  57. MAGNIFICATION: Determining the Magnification of any combination of an eyepiece and objective of a microscope using the Wright Eikonometer.
  58. MAGNIFICATION: Determining the magnification of an eyepiece.
  59. 'MARTIN' or 'Drum' Microscopes-their history from the beginning.
  60. Student or Toy 'Martin' 'Drum' Microscopes.
  61. McArthur-type Microscopes, past and present
  62. E.M. Nelson:-Microscopes designed by him.
  63. The Nelson-Curties No. 1 microscope, an actual example and its history.
  64. The Nelson No. 2 microscope, comparison of examples from about 1895 and 1899.
  65. PACKING: How to properly PACK an antique microscope for SHIPPING
  66. Photographic Magnifiers of the late 19th and early 20th Century
  67. Pocket Microscopes: a Brief survey and history of some examples.
  68. Hugh Powell: an early example of his microscopes and associated history
  69. Powell & Lealand's No 1 Microscope: Its history and an example with many accessories
  70. Powell & Lealand's Original 'New Microscope' of 1843, the prototype for the famous future line of Powell & Lealand microscopes.
  71. A COMPARISON OF Powell & Lealand's Original 'New Microscope' of 1843 with the later P & L No 3.
  72. History of MICROSCOPES USED IN URINALYSIS
  73. Francois Raspail's Cylindrical Microscope for Travel-setting the record straight
  74. Raspail's Microscopes-illustrated review of the microscopes of Francois Raspail
  75. Restoring: My Advice about Restoring Instruments
  76. Restoring: An Introduction on HOW to Restore Antique Microscopes
  77. Restoration: An example of a nearly complete restoration project (a Zentmayer 'Grand American' Model)
  78. Ringing or Slide-Ringing tables-see Turntables
  79. Andrew ROSS-history of his microscopes.
  80. SCREWBARREL Microscopes: A Brief History of the Screwbarrel Microscope
  81. W.H, Darker's Stacked Rotating Selenites
  82. Simple Microscopes: A Brief History of the Simple Microscope
  83. History of Shagreen and other Coverings for the tubes of microscopes
  84. SHIPPING: How to properly PACK an antique microscope for SHIPPING
  85. Slides: A Brief History of Microscope Slides
  86. James SMITH's MICROSCOPE #22 of 1840: THE MICROSCOPE OF Dr. THOMAS HODGKIN
  87. SOLAR Microscopes: History of the Solar Microscope
  88. SOLEIL Microscopes: The uncommonly described microscopes by a famous French Instrument maker.
  89. Spencer, Tolles, Dalton-Important Dates of these 3 famous makers
  90. The Tami series of microscopes from Wetzar: The Tami, Metami and Protami microscopes.
  91. Test Objects and the Gould Microscope-what is that test slide with these microscopes?
  92. Tolles and Dalton Microscopes: microscopes made by Robert Tolles, C. X. Dalton, and the Boston Optical Works
  93. Top Lighting: Episcopic Illumination and Vertical Illuminators
  94. TURNTABLES for slide-ringing, also known as Whirling tables or cell-making instruments.
  95. VARLEY: Cornelius Varley and his microscopes
  96. VARLEY LEVER STAGE: Lever Stages of Cornelius Varley and Alfred White-give credit where credit is due!
  97. Vertical Illuminators and Episcopic Illumination
  98. Warm Stages and Hot Stages
  99. The WATSON EDINBURGH microscopes and their evolution.
  100. WATSON MICROSCOPE EVOLUTION: A tabular review of the changes in the Watson Edinburgh, Royal, and all the Van Heurck Models over the years with special attention to changing specifications and features.
  101. Watson Objective Lenses: A Review of Objectives as Sold by W. Watson & Sons in the Late 19th to Early 20th Century.
  102. Watson Royal: The 'Royal' Microscope: its history and how it Differs from the 'Van Heurk'.
  103. Watson-Van Heurck: A review of the history of the Van Heurck Microscope and its relation to other Watson models, especially the Edinburgh.
  104. White's Lever Stage and the stage of Cornelius Varley-give credit where credit is due!
  105. Wollensak Microscopes of the 1920's and 1930's