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Page 90
As a general rule , nearly all the large dinosaurs . were dismembered and stripped of their flesh after death by the large turtles and crocodiles which were always on the lookout for such prizes , but the individual illustrated is ...
As a general rule , nearly all the large dinosaurs . were dismembered and stripped of their flesh after death by the large turtles and crocodiles which were always on the lookout for such prizes , but the individual illustrated is ...
Page 107
One illustration shows a front view of the device , the wheels being those on which the machine moves forward as forced by the pipe discharging from the rear . The concrete is dumped into the hopper , where it is forced backward by a ...
One illustration shows a front view of the device , the wheels being those on which the machine moves forward as forced by the pipe discharging from the rear . The concrete is dumped into the hopper , where it is forced backward by a ...
Page 492
The indicator of the vacuum is equally new and ingenious ; it is shown at the left of the illustration . This consists of glass spiral fastened to two crossed tubes ; the one at the left contains a small quantity of mercury .
The indicator of the vacuum is equally new and ingenious ; it is shown at the left of the illustration . This consists of glass spiral fastened to two crossed tubes ; the one at the left contains a small quantity of mercury .
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