Marketing materials for John Blake Engineers, Ltd, Accrington, 1920-30 Marketing materials for John Blake Engineers
Coloured diagram of Bramah's original hydraulic balance and pump 1796 Coloured diagram of Bramah's hydraulic balance
Copy of a Print by Burton Holmes by Ewing Galloway lent by "Scientific American":- Print of Modern Primitive Hungarian Bucket and Windlass Copy of a print by Burton Holmes by Ewing Galloway
Copy of Print by Burton Holmes by Ewing Galloway lent by "Scientific American":- Print of Modern Primitive Siamese Scoop Wheel Copy of a print by Burton Holmes by Ewing Galloway
