1924 Wills's Do You Know (2nd Series)

Total Cards: 50

Size: 1 7/16" x 2 11/16"

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1924 Wills's Do You Know (2nd Series)

Cards

						1						Do You Know what Amber is?
						2						Do You Know how the Aneroid Barometer works?
						3						Do You Know which Animals live longest?
						4						Do You Know why an Apple turns brown when cut?
						5						Do You Know where Bananas come from?
						6						Do You Know what causes the "Bedeguar" of the Wild Rose?
						7						Do You Know why a Bishop wears a Laced Hat?
						8						Do You Know what causes the Bloom on Grapes?
						9						Do You Know which is the most beautiful Building in the World?
						10						Do You Know where the Oldest Buildings in the World are?
						11						Do You Know why the Camel has a Hump?
						12						Do You Know what China-clay is?
						13						Do You Know how Cinematograph pictures are taken?
						14						Do You Know why the Cock is used on Church Weather-vanes?
						15						Do You Know how a Coral Reef is formed?
						16						Do You Know why Flowers smell?
						17						Do You Know why some Flowers are brightly coloured and others not?
						18						Do You Know how the Fly walks upside-down?
						19						Do You Know why the Flying-Fish flies?
						20						Do You Know what causes a Geyser?
						21						Do You Know why a Giraffe has a long neck?
						22						Do You Know why a Golf Ball is not Smooth?
						23						Do You Know how a Gramophone acts?
						24						Do You Know why the Horse straightens its fore-legs first when rising, and the Cow its hind-legs?
						25						Do You Know what India-rubber is?
						26						Do You Know why a Curved Iron hangs over the Rails in many Stations?
						27						Do You Know why a Ladder has a Number?
						28						Do You Know what makes the Light in the Lighthouse?
						29						Do You Know what causes a Lunar Corona?
						30						Do You Know what causes the Midnight Sun?
						31						Do You Know who built the Pyramids, and why?
						32						Do You Know what Quinine is?
						33						Do You Know where a Railway runs over the Sea?
						34						Do You Know how the Sand comes on the Sea-shore?
						35						Do You Know why a Saw has a Notch in its top edge?
						36						Do You Know why Shells vary in shape?
						37						Do You Know how the Spectroscope acts?
						38						Do You Know what a Sponge is?
						39						Do You Know how Stalactites are formed?
						40						Do You Know why the Stamp is stuck at the top right-hand corner of the envelope?
						41						Do You Know why Stone Steps were placed by the road-side?
						42						Do You Know why the Sun makes us Brown?
						43						Do You Know what a Tidal Wave is?
						44						Do You Know which is the Biggest Tree in the World?
						45						Do You Know what causes a Volcanic Eruption?
						46						Do You Know what causes the Waves, and why the Sea is salt?
						47						Do You Know what causes the Wind?
						48						Do You Know why Wood floats in water, and Iron sinks?
						49						Do You Know what the X-rays are?
						50						Do You Know what Yeast is?