Top địa chỉ bán đồ da handmade chất lượng nhất TPHCM
The model department of the United States Patent Office in Washington is illuminated here and there with the original models of the very great inventions. In one of the cabinets is to be seen Morse’s original model of the telegraph instrument, fashioned by his own hands. The model is very crudely made, but it inspires reverence in the visitor, and even a certain sort of awe, when he pauses to think of what the telegraph has done for the advancement [...]
