Popetastic #volvelle!

An old brown square paper with a disc carrying several circular scales. Two smaller discs with indexes can be rotated. The indexes are labeled 'Sun's Index' and 'Moon's Index'. Credits for all images: Daniel Crouch rare books.

Back of the previous item, title 'The Luminarium', with 3 arcs carrying numbers (days of the month; week days, age of the Moon. Below a text provides a guide for these scales and the back.

🔭 🧪 #astrohistory
James Ferguson's 'Luminarium', a very rare card #volvelle (~1760).
For any date, the volvelle provides the duration of the semi-diurnal arc, or half-length of the day, from which you can find the sunrise/sunset times (for London) by adding or substracting from noon.

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A circular chart with several scales on the rim, on an old paper. Symbols for lunar phases. A star chart visible through an oval opening near the center.

🔭 #astrohistory
The 'New Astronomical Instrument', by 🏴󠁧󠁢󠁳󠁣󠁴󠁿 James Ferguson (~1750). A paper model. #volvelle

A star chart is visible through the oval opening which represents the horizon for the latitude of London.
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Ferguson’s Astronomical Rotula (2026 edition) in its new frame…
🔭 #volvelle

The September 2024 AreYouBookEnough challenge theme was 'Surrealism'. Characters from Lewis Carroll books are pretty surreal to begin with. The volvelle permits you to play 'Exquisite Corpse', exchanging bodies, making them stranger.

#ByopiaPress #BookArts #Volvelle #CadavreExquis #ExquisiteCorpse

youtu.be/A1o2UIxj7OA?... #astrology #video #books #library #volvelle #seattle @caelien.bsky.social #showandtell

جريدهء عدليه [Cerîde-i Adliye also Cerîde-i Adliyye] Ottoman almanac (1926) #almanac #ottoman #1920s #design #dataviz #volvelle #astronomy

Here's a VERY Rare Book!
Dare I say.... a UNICORN?

How could I (almost) miss that it's #NationalUnicornDay?
#volvelle #interactive #popup
#NewberryLibrary
i-share-nby.primo.exlibrisgroup.com/permalink/01...

Colourful and beautifully decorated volvelle (rotating parts) showing zodiac signs and other astrological stuff, with a very imposing dragon image at the centre. In a large astrology book displayed at Bodleian Library, Oxford.

Getting my #volvelle fix at @bodleianlibraries.bsky.social rather brilliant Oracles, Omens and Answers exhibition. Books with this kind of adornment must have been VERY high-status, high-price objects in their day!

REINVENTING THE WHEEL by JESSICA HELFAND (2002).

A Volvelle [Book] a Day: REINVENTING THE WHEEL by JESSICA HELFAND (2002).
#movableadayin2025 #volvelle #volvelles #equatoria #planispheres #paperengineering #history #examples #illustrated #princetonarchitecturalpress

IDENTICARD I FOR IDENTIFYING ALL 1-CENT AND 2-CENT U.S. STAMPS ISSUED FROM 1912 TO 1921 (1971). Front.

IDENTICARD I FOR IDENTIFYING ALL 1-CENT AND 2-CENT U.S. STAMPS ISSUED FROM 1912 TO 1921 (1971). Back.

A Volvelle a Day: IDENTICARD I FOR IDENTIFYING ALL 1-CENT AND 2-CENT U.S. STAMPS ISSUED FROM 1912 TO 1921 (1971).
#movableadayin2025 #volvelle #identicard #paperengineering #stamps #philatley #dib #watermarks #perforations #dualvolvelle #doublesidedvolvelle

LUMBER CALCULATOR from CHICAGO SAFEWAY SCAFFOLDS (19??).

CEMENT CALCULATOR from CHICAGO SAFEWAY SCAFFOLDS (19??).

A Volvelle a Day: LUMBER CALCULATOR / CEMENT CALCULATOR from CHICAGO SAFEWAY SCAFFOLDS (19??).
#movableadayin2025 #volvelle #calculations #paperengineering #lumber #concrete #chicagosafewayscaffolds #bastianbrosco #dualvolvelle #doublesidedvolvelle

ADAMS' CARD LOCATOR (c. 1976). Front.

ADAMS' CARD LOCATOR (c. 1976). Back.

A Volvelle a Day: ADAMS' CARD LOCATOR (c. 1976).
#movableadayin2025 #volvelle #instructions #paperengineering #cardtricks #prestidigitation #legerdemain #playingcards #adams

ZENITH COLOR TV OPERATING INSTRUCTIONS (c. 1968). Front.

ZENITH COLOR TV OPERATING INSTRUCTIONS (c. 1968). Back.

A Volvelle a Day: ZENITH COLOR TV OPERATING INSTRUCTIONS (c. 1968).
#movableadayin2025 #volvelle #instructions #paperengineering #colortv #zenith #spacecommandremotecontrol

#volvelle
#tarotofthings #tarotcards #tarot

'Unfolding Time: The Medieval Pocket Calendar' opens on 14 February—mark your calendars!

#UnfoldingTime #MedievalManuscripts #Volvelle #HeritageFund

Title page of BnF copy of Giovanni Paolo Gallucci’s Theatro del mundo, y del tiempo (1612). My photograph 13/1/2025

This one was for another pet project, on my favourite #volvelle book, Giovanni Paolo Gallucci’s Theatrum mundi et temporis (Theatre of the World and Time; first published 1588). But I was there for the 1612 issue of the Spanish translation. 8/25

Bright and early: phases of the Moon and solar eclipse. Gold leaf on indigo-dyed paper (a page of the book in progress).
#volvelle

Three posts, left to right, of a book with a rose in it, a view of wallpaper with Ben Franklin blowing bubbles, and a video of a volvelle calendar.

Movie Magic?

Here are my top 4-6 posts, two of which featured video, soon after it was implemented here!
I bought the #Volvelle book for the #NewberryLibrary collection and browsed into the other two items!

bsky.app/profile/drka...

bsky.app/profile/drka...

bsky.app/profile/drka...

Astro Mating Wheel (1969) #astrology #synastry #signs #zodiac #love #1960s #volvelle #hippie

Digging today's INTERACTIVE manuscript out of my ongoing advent calendar thread... #movablebook #volvelle

bsky.app/profile/did:...

Moving disc illustrating the relationship between medical science and astrology, from Illustrations de Astronomicum caesareum, Petrus Apianus (1540) #astrology #aspects #volvelle #medicine

Movable disk giving a detailed description of the five planetary aspects and their supposed influence, from Illustrations de Astronomicum caesareum, Petrus Apianus (1540) #astrology #aspects #volvelle

KEY ART of ASTROLOGY 1676 CLAVIS ASTROLOGIAE ELIMATA Tables COLEY Volvelle

#books #antiquarian #astrology #17thcentury #planets #volvelle #a7thcentury #bookauctyion
bit.ly/3TEHPBW

A #volvelle, a device with a moveable disc rotating with a fixed matrix, a pointing moveable index of the sun which could be set at the sign and degree of the zodiac for a particular day in order to predict the best time to provide medical treatment. https://t.co/UJ1qev9Q5z /mt

#RandomHashtagOfTheDay for Thursday, April 11 is: #volvelle