| Description | 20 horse power double-acting sun & planet engine, with 23¾ inch cylinder, 5 foot stroke, parallel motion, cast iron beam, cast iron connecting rod.
Coloured original and reverse general view and plan of the engine and boilers, longitudinal section of boiler; reverse plan and sections of the engine and boiler houses and framing; working gear - coloured original front and side views; letter from Brown Chalmers & Co. dated Aberdeen, 1 Jul. 1802, with plan of the engine house; reverse plan of the engine house marked "for Mr. Rennie". All the drawings except the last 2 items bear letter codes.
Original Portfolio or 'Book' No. 466. Catalogue of Old Engines p. 4.
For Brown Chalmers & Co. Paper mill, Aberdeen. The firm originally ordered a 12 horse power engine. According to the Catalogue of Old Engines, the mill was occupied by Black & Co. circa 1813. |