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Amethyst, baryte dioptase, rhodochrositeAmethyst, purple crystals from India. Baryte, long yellow prisms from Cumbria. Dioptase, green lustrous crusts from Namibia. Rhodochrosite, pink crystals on quartz
Origin of Gem MineralsA diagram showing cross sections through the earths continental crust to a depth of 40kms. Many gemstones form within the crust at different levels and at different temperatures
Oceanic and continental crustA cross section of the Earths surface showing the continental crust on the left and oceanic crust on the right. Beneath the surface layer lies the Basaltic layer (in green) and the Mantle (in grey)
Celestine
BerylDeposits of the green variety of beryl (beryllium aluminum silicate) known as emerald. Specimens oginally from Ekatrinberg, Russia, now at the Natural History Museum, London
Arabian desertThe expansive salt flats of the Arabian desert, sabkha
Mrs Bobbity and neighbours with policemanMrs Bobbity and neighbours tell the policeman what has happened, and he takes notes. Jack Sparrow, perched on a lamp post, calls out that its the cat who should be prosecuted! Date: 1937
Jack Sparrow perched on step, moth flutters pastJack Sparrow perches on a step, dejected at not finding any food for his family. A moth flutters past. Date: 1937
Boys playing cricketThe boys play cricket, ignoring Jack Sparrows request for help. Date: 1937
Mrs Bobbity in her garden, looking up at the sparrows and their nest. Date: 1937
Frontispiece, Mrs Bobbity standing at the tea tableFrontispiece design showing Mrs Bobbity standing at the table, getting the tea ready. Date: 1937
The raven refuses to help Jack Sparrow, and calls him a rascal. Date: 1937
Boys with bats and stumps frighten the birds awayBoys with bats and stumps, on their way to play cricket, frighten the cockerel and his family away. Date: 1937
A cockerel catches the moth, watched by his hen and chicks. Jack Sparrow misses out again. Date: 1937
Jack Sparrow looking for moths in the ivy on the back garden wall. Date: 1937
Koko the Pekinese dog with Jack Sparrow -- unfortunately Kokos bowl is empty. Date: 1937
Child plays with straw, mother comes runningThe child loses interest in chasing Jack Sparrow, and sits down to play with some straw instead. Her mother comes running, to take her back home. Date: 1937
Two sparrows collecting grass seedsTwo sparrows, Jack and Jennie, collecting grass seeds to feed their five chicks. Date: 1937
Mrs Bobbity shaking out her tablecloth at the back door. A crust of bread flies out. Date: 1937
Jack and Jennie Sparrow on the roof above their nest, discussing the problem of the cat preventing them from getting to the crust. Date: 1937
Jack Sparrow sitting on the garden wall, ready to hop down for crumbs. Date: 1937
People coming out to see what is happeningMrs Bobbity and her neighbours coming out to see what is happening -- the van driver gets hold of Dobbin. Date: 1937
Jack Sparrow asks the tame raven for helpJack Sparrow asks the tame raven (who is an excellent mimic) for help -- if he can make a sound like milk being poured into a saucer, he might be able to get the cat to move away from the crust
Jack Sparrow asking the horse for a few grains of corn. Unfortunately he is too late -- there is nothing left in the bag. Date: 1937
Jack Sparrow sitting on the ivy growing on the garden wall. He looks down to find that the crust is no longer there. Date: 1937
Jack Sparrow, Jennie and the chicks are reunited, in the knowledge that there will be more crumbs later. Date: 1937
Koko squeezes under the gate on his way to find the cat. Jack Sparrow perches on top. Date: 1937
Otter HoundsA rather upper crust Meet of the hounds of the Buckfast Otter Hunt, Devon, England. Date: 1930s
Child leaves toy horse to chase Jack SparrowThe child leaves the toy horse to chase Jack Sparrow, who is far more interesting. Jack hopes the child will frighten the cat away. Date: 1937
Koko runs between two cyclistsKoko runs across the road between two cyclists, with Jack Sparrow flying above. Date: 1937
Cat under laurel bush, looking at crustThe cat sits under a laurel bush in the garden, looking at the crust, waiting to pounce on the first bird to swoop down for it. Date: 1937
Two sparrows perched on a branch at nightTwo sparrows, Jack and Jennie, perched on a branch at night. Jennie is wide awake, worrying about where they should build their nest. Date: 1937
Removal man running after the horse and vanOne of the removal men (the van driver) running after the horse and van, surprised that steady old Dobbin would run off like that. Date: 1937
Jack Sparrow and the horseJack Sparrow tells the horse about the cat, and the horse offers to come and frighten her away. Date: 1937
Mrs Bobbitys cottage, with smoke rising from the chimney, and Mrs B herself shaking her tablecloth out at the back door. The birds have built their nest just above her head
Boys try to reach Jack Sparrow on top of lamp postThe boys try to reach Jack Sparrow, who has their cricket score in his beak, perched on top of a lamp post. Date: 1937
Jack Sparrow tells his troubles to a tame raven. Date: 1937
Birds on dedication pageBirds on the dedication page -- to Auntie Alice. Date: 1937
Jack Sparrow perched on the horse, directing him towards the cat. Unfortunately, Dobbin cannot fly over walls, and the passageway is too narrow for his van. Date: 1937
Two cyclists crash to the groundThe two cyclists (errand boys) swerve to miss the dog, and crash to the ground in the middle of the road. Date: 1937
Jack Sparrow finds Jennie and the chicks on Mrs Bobbitys bedroom window sill. In his absence Mrs B has shooed away the cat, Jennie has retrieved the crust, and the babies have eaten it. Date: 1937
Koko accidentally trips up a policeman, whose helmet falls off. Date: 1937
Jack Sparrow perched at the top of a page, deciding what to do next. Date: 1937
Removal men with horse-drawn vanRemoval men filling their horse-drawn van with furniture. The horse is having a rest, eating from a nosebag. Date: 1937
Koko the Pekinese dog with postmans legKoko the Pekinese dog, biting the postmans trouser leg. Date: 1937
Sparrow chirping on Mrs Bobbitys window ledgeJack Sparrow chirping on Mrs Bobbitys window ledge, wanting her to get up so that he can gather crumbs for his growing family
The boys recover their cricket score sheetJack Sparrow opens his beak to speak, and the boys recover their cricket score sheet. Jack flies off. Date: 1937
Jennie Sparrow calling to Jack from the eaves, to warn him of a cat. Date: 1937