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Notes on installation of refurbished Calver


study & library in dome assy hour axle dome drives bifilar bifilar in case dec drive
some slit dome drives equatorial equatorial equatorial head power supply unit battery pack shutter drive
ra vernier ra drive slowmotion slow motion ra worm drive eyepiece trunk chronometers spider
calver calver calver rackmount filter slide calver filter slide finders
guidescope moment scale cork liner opening do ron irving micrometer micrometer micrometer
countercell cell map desk map desk mapdesk msf decoder underfloor vfo

Opening Do

Restoration & restoration techniques

Calver stepper drive system

Piggy Backing my TEC140APO of the Calver

Observing Techniques

Observing the Sun in H-alpha

The Total Lunar Eclipse 9th January 2001

MARS PEREHELIC OPPOSITION 2003
MARS 2003 MARS 2003 MARS 2003 MARS 2003 MARS 2003 report

Classical Moon Map

Classical Moon Map drawn in 1972-3 _ 80Mb .sit file (Decompress using Stuffit Exapnder)


The Exakta Varex IIa - the ideal 35mm SLR

Exakta & Weston Collection

Comparison Canon EF SLR vs Sony a900 DSLR

Sony a900 DSLR ACCESSORIES OEM vs COMPATIBLES_[1.2Mb]

Photographic Exposure Calculators - a History

Optical Image Stabilization - Myths & Misunderstandings

Using Sony a900 for Lunar & Solar photography_[3.2Mb pdf]

First Attempts @ Digital Astrophotography

SONY a900 DUMMY BATTERY

SONY AF ADAPTER/SLR AF HISTORY

Ronald N. Irving - Instrument Maker 1915 - 2005

Vernonscope Bino-Viewer Outfit

BO/TMB Planetary Series comparison test

9.9mm Siebert Star Splitter comparison test

VIXEN GP-DX POLAR MOMENT OF INTERTIA CALCULATIONS

VIXEN GP-DX SLEWING MOTOR CALCULATIONS

MACHINERIES HANDBOOK IDYNAMIC CALCULATION PAGES_ZIP 1.2Mb

VIXEN GP-DX SLEWING TORQUE XCLEL MAC2001 SPREADSHEET

INERTIA & COUNTERBALANCE

BALANCING a NEWTONIAN

BALANCING a REFRACTOR

REFRACTOR MOMENTS SPREADSHEET

MERZ SUN POLARISCOPE

DERIVATION of FRESNEL'S EQUATIONS

F/RATIO_CONJECTURE_OBSERVATIONAL_TEST

FOB_WATCH_SPHEROMETER

3-inch CLASSICAL REFRACTOR

Relative performance of a mid-aperture fast Newtonian and a small classical refractor

TASCO 10TE-5

UNUSUAL EYEPIECES_2.8Mb_pdf

THE EVER WIDER FIELD of VIEW

Grubb bifilar micrometer c1895

Carl Zeiss Jena Eyepiece Filar Micrometer Restoration - pdf & Movie_ ZIP archive_43Mb

BINOCULAR COLLECTION

SUN&STAR DIAGONAL

ANTIQUE REFRACTOR COLLECTION_PART1

ANTIQUE REFRACTOR COLLECTION_PART2

TULLEY 5-FOOT ACHROMATIC

TULLEYLENS RAYTRACE

TULLEY ARTICLE PEARSON REFS_2.8MBZIP

COLLECTING OLD REFRACTORS_52.6Mb_pdf

WATKINS ACHROMATIC c1760_43.4Mb_pdf

PETITION JUNE 1764_2.2Mb_pdf

5_DOLLANDS_c1820_pdf


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