Annular Collection

Silver birch twig, SEM
Silver birch twig. Coloured scanning electron micrograph (SEM) of a section through a silver birch (Betula pendula) twig. At the centre of the twig (top centre left) is the pith

A wind pump with self-regulating annular sail
5308131 A wind pump with self-regulating annular sail.; (add.info.: Illustration showing a wind pump with self-regulating annular sail. Used for raising water from wells)

SNECMA C-450 Coleoptere
Snecma C-450 Coleoptere Prototype Parked Outside the Snecma Factory Held in Place by a Mobile Rig before a Test-Flight Date: 1959

Dornier Do 335 V1 CP-UA (1st prototype), showing the oil cooler intake under the nose (incorporated into the annular radiator intake in all subsequent aircraft)

Annular Solar Eclipse
Tengyu Cai

Annular stones of the Normans (chromolitho)
2788780 Annular stones of the Normans (chromolitho) by European School, (19th century); Private Collection; (add.info.: Annular stones of the Normans)

The Roscrea Brooch, from Roscrea, County Tipperary (silver, gold and amber)
XBP341840 The Roscrea Brooch, from Roscrea, County Tipperary (silver, gold and amber) by Viking, (9th century); length: 18.3 cm; National Museum of Ireland, Dublin

Hippodrome of the family of Constantine, Via Nomentana, 1833 (etching with brown wash)
STC384924 Hippodrome of the family of Constantine, Via Nomentana, 1833 (etching with brown wash) by Tofanelli, Agostino (1770-1834); Private Collection; (add.info)

Annular Eclipse of the Sun, on Saturday Next (engraving)
1096146 Annular Eclipse of the Sun, on Saturday Next (engraving) by English School, (19th century); Private Collection; (add.info.: Annular Eclipse of the Sun, on Saturday Next)

Views of the Andromeda Nebula and the Ring Nebula in the constellation Lyra (engraving)
6001962 Views of the Andromeda Nebula and the Ring Nebula in the constellation Lyra (engraving) by Trouvelot, Etienne Leopold (1827-95); Private Collection; (add.info)

Santo Stefano Rotondo, 1833 (etching with brown wash)
STC384812 Santo Stefano Rotondo, 1833 (etching with brown wash) by Tofanelli, Agostino (1770-1834); Private Collection; (add.info.: S)

Santa Costanza. The family tomb of Constantine, called the Temple of Bacchus
STC384811 Santa Costanza. The family tomb of Constantine, called the Temple of Bacchus, 1833 (etching with brown wash) by Tofanelli, Agostino (1770-1834); Private Collection; (add.info.: S)

Caproni STIPA Tubular Fuselage
Caproni Stipa Tubular Fuselage Unusual Design Parked with Pilot Boarding Helped by a Ground-Engineer Date: 1932

The Napier experimental team in front of Hawker Tempest?
The Napier experimental team in front of Hawker Tempest V, NV768, fitted with an annular radiator, July 1946. Standing: F.S. Lester, Flight Test Engineer; R.C. Marcell, Chief Draughtsman; K.H

Hawker Tempest V, NV768, fitted with an annular radiator by Napier

Hawker Typhoon IB, R8694, fitted with an annular radiator by Napier

Lee-Richards Annular Monoplane

Illustration of annular nail with toothed shank and round head

Red flying object in the grey sky, 3D computer graphics

G Tilghman Richards Annular Aeroplane 1910-1914
G. Tilghman Richards Annular Aeroplane 1910-1914. Date: 1910

Lee-Richards Annular Monoplane before wing covering

Lee-Richards Annular Biplane of 1911. Date: 1911

Annular eclipse of the Sun, caused by the Moon passing between the Earth and the Sun at a distance which makes the Moon cast a shadow smaller than the Suns disk

Close-up of dead tree trunk, Jersey, Channel Islands, May

Pine (Pinus sp. ) close-up of annual growth rings of cross-section of log, Sweden
Pine (Pinus sp.) close-up of annual growth rings of cross-section of log, Sweden

Volcanic steam ring C016 / 5835
Volcanic steam ring. Sun, steam and a steam ring after being blown from the Bocca Nuova vent of Mount Etna, a volcano on the Italian island of Sicily

Volcanic steam ring C016 / 5834
Volcanic steam ring. Sun, steam and a steam ring after being blown from the Bocca Nuova vent of Mount Etna, a volcano on the Italian island of Sicily

Tree growth rings C016 / 2339
Tree growth rings. Close-up of a cut tree trunk showing the annular growth rings

Salmon scales, SEM
Salmon scales. Coloured scanning electron micrograph (SEM) of salmon (Salmo salar) scales. Fish scales are are classified by shape. Salmon scales are known as cycloid (curve edged)

Salmon scale, SEM
Salmon scale. Coloured scanning electron micrograph (SEM) of a salmon (Salmo salar) scale. Fish scales are are classified by shape. Salmon scales are known as cycloid (curve edged)

Rainbow trout scale, SEM
Rainbow trout scale. Coloured scanning electron micrograph (SEM) of a rainbow trout (Oncorhynchus mykiss) scale. Fish scales are are classified by shape

Time-lapse image of a solar eclipse
Annular solar eclipse. Time lapse image of an annular solar eclipse. A solar eclipse occurs when the moon passes between the Earth and the Sun, blocking the Suns light

Partial phase of an annular solar eclipse, 10 / 5 / 94
Partial phase of the annular eclipse which occurred on May 10th 1994. The image was taken at 15:40 Universal Time (UT) when the Moon was obscuring 3.6% of the Suns disc

Partial phase of an annular eclipse (10 / May / 1994)
Partial phase of the annular eclipse which occurred on May 10th 1994. The image was taken at 16:30 Universal Time (UT) when the Moon was occulting 47.2% of the Suns disc

Annular solar eclipse, 10 May 1994
Annular solar eclipse. Composite image showing the progress of the annular solar eclipse of 10 May 1994 in seven stages. A solar eclipse occurs when the moon passes between the Earth and the sun

Composite time-lapse images of solar eclipses
Solar eclipses. Composite time lapse images of a total solar eclipse (upper), a beaded eclipse (mi- ddle) & an annular eclipse (lower)

Partial phase of an annular eclipse (10 / 5 / 94)
Partial phase of the annular eclipse which occurred on May 10th 1994. The image was taken at 17:25:42 Universal Time (UT) when the Moon was occulting 79% of the Suns disc

Dark matter ring in galaxy cluster
Dark matter ring in the galaxy cluster CI 0024+17, Hubble Space Telescope image. The ring is seen surrounding a central concentration of dark matter (coloured blue here)

Nettle leaf stalk structures, LM
Nettle leaf stalk structures. Polarised light micrograph (LM) of a nettle leaf (Urtica dioica), which has been boiled up with dilute sodium hydroxide to separate the cells

Tree xylem vessels, light micrograph
Tree xylem vessels. Polarised light micrograph of a vertical section through the primary wood vessels (xylem vessels) of a tree

Annular Eclipse
Annular eclipse

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"Exploring the Annular: From Silver Birch Twigs to Nebulas" Delicate and intricate, a silver birch twig showcases its annular growth patterns under the SEM. The SNECMA C-450 Coleoptere aircraft's unique design features an annular wing for enhanced performance. The Dornier Do 335 V1 CP-UA, the first prototype of its kind, boasts an innovative annular engine configuration. Transporting us back in time, chromolitho captures the beauty of Norman annular stones with their mesmerizing patterns. A masterpiece from Roscrea, County Tipperary - behold the exquisite Roscrea Brooch crafted with silver, gold, and amber in an annular design. Etching with brown wash brings to life the grandeur of Hippodrome of Constantine's family along Via Nomentana in 1833 - featuring stunning annular architecture. Witness a rare celestial event through an engraving - "Annular Eclipse of the Sun" set to grace our skies on Saturday next. Engravings unveil captivating views of Andromeda Nebula and Ring Nebula in Lyra constellation - showcasing their distinct annularity. Santo Stefano Rotondo comes alive through etching with brown wash; marvel at this ancient Roman basilica known for its strikingly beautiful annular structure. Explore Santa Costanza - Constantine's family tomb famously called "The Temple of Bacchus, " boasting remarkable ancient Roman artistry including stunning annularity designs. Bonus: Step into aviation history as Caproni STIPA Tubular Fuselage revolutionizes aircraft construction techniques with its innovative use of an annular shape. The Napier experimental team proudly poses before Hawker Tempest aircraft – pioneers pushing boundaries towards new heights in aviation innovation.