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Home
Scientific Instrument Museum Exhibits
Early North Coast Scientific Instruments
Calculations for Commerce and Shipping
Shipping Products to Markets
Edward West
Master's License
Timberman clipping
Laboratory Instruments for Health and Industry
Duboscq Colorimeter
Model G pH Meter
Microscopes for Health and Medicine
Trichinosis Microscope
B& L Physician's Microscope
Instruments for Personal Observations & Curiosity
Ball-Joint Microscope
Toy Microscope
Barograph
Scales for Apothecaries and Assayers
Pulp Balance
Pharmacist’s Box Scale
SprBal Patents
Measuring the Land and its Wealth
Timber Estimator
TimEst Patent
Vernier Surveyors Compass
Alexander von Humbodt's Latin American Expedition (1799-1804)
Verneer Sextant
Dip Circle (dipping needle) in Glazed Case
Mercurial Barometer
Prints
Instrument Cases
Three-foot Achromatic Telescope
Hypsometer
Tableau physique of Chimborazu
Theodolite
Replica Globe
Artificial Horizon and Level Glass
Drum (“Snuffbox”) Sextant
Leyden Jar
Folding microscope
Humboldt's Drawing and Engraving of Fucus vitifolius
Plant Specimens and Documentation
Replicas and Restorations of Early Instruments by Richard A. Paselk
The Navigator's Cross-Staff
XS Maker's Notes
XS Painting
Wooden Mariner's Quadrant
Planispheric Astrolabe
PlnAst Maker's Notes
PlnAst Painting
The Armillary Sphere
ArmSph Maker's Notes
ArmSph Painting
The Torquetum
Torq–Maker's Notes
Torq-History
Torq-Painting
Mariner's Astrolabes
Columbus Astrolabe
"Wheel" Mariner's Astrolabe
Mature Mariner's Astrolabe
Quadrant and Tools
Q-Maker's Notes-Graduation
Q-Painting
Instrument Restorations: Orrery & Octant
Orrery or Planetaria
Or-Painting
Octant or Reflecting Quadrant
Curator's Choice: A Selection of Instruments from the Museum Stores
Leitz Universal Stage
Leitz Dialux Polarizing Microscope and accessories
Chamot and Mason, Handbook of Chemical Microscopy 2nd ed v. I & II
Shillaber Chemical Microscopy Reagent Sets
Gaertner Cathetometer
IEC Swinging Bucket Rotor
Reichert Research Microscope
Sauter Ultra-Matic Double Hook Microbalance
Mettler Demonstration Balance
Curriculum Vitae
Scholarly Activities
Public Presentations etc.
Quick Index
Medieval Science
Instruments
Planisphaeric Astrolabe
Transitional Mariner's Astrolabe
"Wheel" Mariner's Astrolabe
Classic Mariner's Astrolabe
Armillary Sphere
Torquetum
Sun Dials
Kamal
Cross Staff
The Nocturnal
Quadrants
Simple Quadrants
Horary Quadrants
Chetwode quadrant
Zutphen quadrant
Canterbury quadrant
Nunes Navigation Quadrant
Backstaff
Workshops
Practical Medieval Astronomy 2004
SIC2007 Workshop
Medieval Astronomical and Timekeeping Instruments (Fall 2004)
Medieval Astronomical Timekeeping Instruments (Spring 2001)
Medieval Scientific and Philosophical Instruments (Spring 2000)
Medieval Scientific and Philosophical Instruments (Summer 1999)
The Development of the Clock and the Concept of Time in the Middle Ages (Su
Practical Medieval Astronomy (Summer 1999)
Astronomy, Calenders, and Time in the Middle Ages (Summer 1998)
Science in the Middle Ages (1200–1500)* (Summer 1997)
Science in the Middle Ages (1200–1500)* (Spring 1997)
Graduation of Circles and Arcs
Quadrant Graduation
The Graduation of a Circle or Arc Using a "Dividing Engine"
References
Chemistry Supplements
Introduction to pH, Titration Curves, and Buffers
Answers to Questions
Atomic Orbitals* Richard A. Paselk
Bonding and Bond Formation a Quantum Picture* Richard A. Paselk
Chem 109
Miscellaneous
Projects Vault
Debbie's Sleigh Bed
T. Judah Model Compass
Redwood Bedroom Furniture
Bottle Art
Kaleidoscopes
HSU Chemistry Department Periodic Table
20th Century Gunner's Quadrants
Reptiles and Amphibians Photography by Richard A. Paselk
Testudines: Turtles & Tortoises
Lizards
Squamata: Snakes
Anurans: Frogs & Toads
Caudata: Salamanders
Ensatina eschscholtzi
Junk Art
Photos of Navigation Instruments and Model Instruments
paselkr1
Home
Scientific Instrument Museum Exhibits
Early North Coast Scientific Instruments
Calculations for Commerce and Shipping
Shipping Products to Markets
Edward West
Master's License
Timberman clipping
Laboratory Instruments for Health and Industry
Duboscq Colorimeter
Model G pH Meter
Microscopes for Health and Medicine
Trichinosis Microscope
B& L Physician's Microscope
Instruments for Personal Observations & Curiosity
Ball-Joint Microscope
Toy Microscope
Barograph
Scales for Apothecaries and Assayers
Pulp Balance
Pharmacist’s Box Scale
SprBal Patents
Measuring the Land and its Wealth
Timber Estimator
TimEst Patent
Vernier Surveyors Compass
Alexander von Humbodt's Latin American Expedition (1799-1804)
Verneer Sextant
Dip Circle (dipping needle) in Glazed Case
Mercurial Barometer
Prints
Instrument Cases
Three-foot Achromatic Telescope
Hypsometer
Tableau physique of Chimborazu
Theodolite
Replica Globe
Artificial Horizon and Level Glass
Drum (“Snuffbox”) Sextant
Leyden Jar
Folding microscope
Humboldt's Drawing and Engraving of Fucus vitifolius
Plant Specimens and Documentation
Replicas and Restorations of Early Instruments by Richard A. Paselk
The Navigator's Cross-Staff
XS Maker's Notes
XS Painting
Wooden Mariner's Quadrant
Planispheric Astrolabe
PlnAst Maker's Notes
PlnAst Painting
The Armillary Sphere
ArmSph Maker's Notes
ArmSph Painting
The Torquetum
Torq–Maker's Notes
Torq-History
Torq-Painting
Mariner's Astrolabes
Columbus Astrolabe
"Wheel" Mariner's Astrolabe
Mature Mariner's Astrolabe
Quadrant and Tools
Q-Maker's Notes-Graduation
Q-Painting
Instrument Restorations: Orrery & Octant
Orrery or Planetaria
Or-Painting
Octant or Reflecting Quadrant
Curator's Choice: A Selection of Instruments from the Museum Stores
Leitz Universal Stage
Leitz Dialux Polarizing Microscope and accessories
Chamot and Mason, Handbook of Chemical Microscopy 2nd ed v. I & II
Shillaber Chemical Microscopy Reagent Sets
Gaertner Cathetometer
IEC Swinging Bucket Rotor
Reichert Research Microscope
Sauter Ultra-Matic Double Hook Microbalance
Mettler Demonstration Balance
Curriculum Vitae
Scholarly Activities
Public Presentations etc.
Quick Index
Medieval Science
Instruments
Planisphaeric Astrolabe
Transitional Mariner's Astrolabe
"Wheel" Mariner's Astrolabe
Classic Mariner's Astrolabe
Armillary Sphere
Torquetum
Sun Dials
Kamal
Cross Staff
The Nocturnal
Quadrants
Simple Quadrants
Horary Quadrants
Chetwode quadrant
Zutphen quadrant
Canterbury quadrant
Nunes Navigation Quadrant
Backstaff
Workshops
Practical Medieval Astronomy 2004
SIC2007 Workshop
Medieval Astronomical and Timekeeping Instruments (Fall 2004)
Medieval Astronomical Timekeeping Instruments (Spring 2001)
Medieval Scientific and Philosophical Instruments (Spring 2000)
Medieval Scientific and Philosophical Instruments (Summer 1999)
The Development of the Clock and the Concept of Time in the Middle Ages (Su
Practical Medieval Astronomy (Summer 1999)
Astronomy, Calenders, and Time in the Middle Ages (Summer 1998)
Science in the Middle Ages (1200–1500)* (Summer 1997)
Science in the Middle Ages (1200–1500)* (Spring 1997)
Graduation of Circles and Arcs
Quadrant Graduation
The Graduation of a Circle or Arc Using a "Dividing Engine"
References
Chemistry Supplements
Introduction to pH, Titration Curves, and Buffers
Answers to Questions
Atomic Orbitals* Richard A. Paselk
Bonding and Bond Formation a Quantum Picture* Richard A. Paselk
Chem 109
Miscellaneous
Projects Vault
Debbie's Sleigh Bed
T. Judah Model Compass
Redwood Bedroom Furniture
Bottle Art
Kaleidoscopes
HSU Chemistry Department Periodic Table
20th Century Gunner's Quadrants
Reptiles and Amphibians Photography by Richard A. Paselk
Testudines: Turtles & Tortoises
Lizards
Squamata: Snakes
Anurans: Frogs & Toads
Caudata: Salamanders
Ensatina eschscholtzi
Junk Art
Photos of Navigation Instruments and Model Instruments
More
Home
Scientific Instrument Museum Exhibits
Early North Coast Scientific Instruments
Calculations for Commerce and Shipping
Shipping Products to Markets
Edward West
Master's License
Timberman clipping
Laboratory Instruments for Health and Industry
Duboscq Colorimeter
Model G pH Meter
Microscopes for Health and Medicine
Trichinosis Microscope
B& L Physician's Microscope
Instruments for Personal Observations & Curiosity
Ball-Joint Microscope
Toy Microscope
Barograph
Scales for Apothecaries and Assayers
Pulp Balance
Pharmacist’s Box Scale
SprBal Patents
Measuring the Land and its Wealth
Timber Estimator
TimEst Patent
Vernier Surveyors Compass
Alexander von Humbodt's Latin American Expedition (1799-1804)
Verneer Sextant
Dip Circle (dipping needle) in Glazed Case
Mercurial Barometer
Prints
Instrument Cases
Three-foot Achromatic Telescope
Hypsometer
Tableau physique of Chimborazu
Theodolite
Replica Globe
Artificial Horizon and Level Glass
Drum (“Snuffbox”) Sextant
Leyden Jar
Folding microscope
Humboldt's Drawing and Engraving of Fucus vitifolius
Plant Specimens and Documentation
Replicas and Restorations of Early Instruments by Richard A. Paselk
The Navigator's Cross-Staff
XS Maker's Notes
XS Painting
Wooden Mariner's Quadrant
Planispheric Astrolabe
PlnAst Maker's Notes
PlnAst Painting
The Armillary Sphere
ArmSph Maker's Notes
ArmSph Painting
The Torquetum
Torq–Maker's Notes
Torq-History
Torq-Painting
Mariner's Astrolabes
Columbus Astrolabe
"Wheel" Mariner's Astrolabe
Mature Mariner's Astrolabe
Quadrant and Tools
Q-Maker's Notes-Graduation
Q-Painting
Instrument Restorations: Orrery & Octant
Orrery or Planetaria
Or-Painting
Octant or Reflecting Quadrant
Curator's Choice: A Selection of Instruments from the Museum Stores
Leitz Universal Stage
Leitz Dialux Polarizing Microscope and accessories
Chamot and Mason, Handbook of Chemical Microscopy 2nd ed v. I & II
Shillaber Chemical Microscopy Reagent Sets
Gaertner Cathetometer
IEC Swinging Bucket Rotor
Reichert Research Microscope
Sauter Ultra-Matic Double Hook Microbalance
Mettler Demonstration Balance
Curriculum Vitae
Scholarly Activities
Public Presentations etc.
Quick Index
Medieval Science
Instruments
Planisphaeric Astrolabe
Transitional Mariner's Astrolabe
"Wheel" Mariner's Astrolabe
Classic Mariner's Astrolabe
Armillary Sphere
Torquetum
Sun Dials
Kamal
Cross Staff
The Nocturnal
Quadrants
Simple Quadrants
Horary Quadrants
Chetwode quadrant
Zutphen quadrant
Canterbury quadrant
Nunes Navigation Quadrant
Backstaff
Workshops
Practical Medieval Astronomy 2004
SIC2007 Workshop
Medieval Astronomical and Timekeeping Instruments (Fall 2004)
Medieval Astronomical Timekeeping Instruments (Spring 2001)
Medieval Scientific and Philosophical Instruments (Spring 2000)
Medieval Scientific and Philosophical Instruments (Summer 1999)
The Development of the Clock and the Concept of Time in the Middle Ages (Su
Practical Medieval Astronomy (Summer 1999)
Astronomy, Calenders, and Time in the Middle Ages (Summer 1998)
Science in the Middle Ages (1200–1500)* (Summer 1997)
Science in the Middle Ages (1200–1500)* (Spring 1997)
Graduation of Circles and Arcs
Quadrant Graduation
The Graduation of a Circle or Arc Using a "Dividing Engine"
References
Chemistry Supplements
Introduction to pH, Titration Curves, and Buffers
Answers to Questions
Atomic Orbitals* Richard A. Paselk
Bonding and Bond Formation a Quantum Picture* Richard A. Paselk
Chem 109
Miscellaneous
Projects Vault
Debbie's Sleigh Bed
T. Judah Model Compass
Redwood Bedroom Furniture
Bottle Art
Kaleidoscopes
HSU Chemistry Department Periodic Table
20th Century Gunner's Quadrants
Reptiles and Amphibians Photography by Richard A. Paselk
Testudines: Turtles & Tortoises
Lizards
Squamata: Snakes
Anurans: Frogs & Toads
Caudata: Salamanders
Ensatina eschscholtzi
Junk Art
Photos of Navigation Instruments and Model Instruments
Projects Vault
Bottle Art (c. 1965)
Kaleidoscopes (1985-1986)
Bedroom set from recovered old growth redwood (c. 1980)
Debbie's Sleigh Bed (1997)
Home Office Bookshelves (c. 2005)
in progress
Demonstration Model Compass based on Theodore Judah's Surveyor's Compass (2019)
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