Report – Michael Elliott – 16 Sep 1807

Document Type: Report
Date: 16 Sep 1807
Correspondent: Michael Elliott
Archive Source: NRO 672 E IF 1
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								Hexham Sept 16th 1807

Description of a Crushing Mill to be erected at Allenheads

Water Wheel 36 feet Diameter & 3 feet wide in the <Clear> will require 14 pair of Arms & 98 Bucketts

The Shrouds - of Cast Iron - 10 In wide or deep in the <Clear> and ½ an In thick with flanges to hold the Buckets & the Shrouds to extend ½ an inch or ¾ beyond the Buckets

The Arms of Oak - Width at the Shroud end  8 Inches

      Do- at the centre <….>	11

      thickness	  3

      The flat part of the Arm may be tapered ¼ of an inch 

      The arms at the centre 3 inches Further apart on each side than at the shrouds & <sprung> to the Shroud. 

[Inserted as a marginal note apparently applying to all of the above:] I have this 3 inches to be 4 or 5 inches which arms of this length will very well allow

The Axle tree – say 2 ½ feet Diam.

Rolls  -  4 Pairs  one pair Fluted & three pairs Plain, (one of these Pairs to crush Chatts instead of <Stampers>) The Diam of the four Pairs Rolls 13 in each 

[line drawing inserted at this point – not reproduced here but included in the downloadable version of this document- showing the fluted roll A between and higher than the two plain rolls B & C, and the ‘chat’ roll D lower than plain roll C. The following key is given:]

a	 the Fluted Rolls

b & c    the 2 plain Rolls

d	 the Chat Rolls 		

These three Wheels [ie. B, C, D] each 2 feet Diam with 39 teeth. A has 80.

A the large Wheel upon the Water Wheel Shaft 6 ½ ft Diam. --

B & C the 2 Wheels giving Motion to the 2 plain Rolls

D a Wheel the same as A & B giving Motion to the  Chat Rolls.  --- Diameter of B, C & D 8 feet with 39 teeth in each.

Provision to be made for a Fly Wheel to be added if thought needful.  The Wheel when finished to be well painted over with Tar & fine Charcoal Dust mixed to a proper consistency & put on quite hot.

Crushing Mill for Coalcleugh

Water Wheel Shrouds & Arms - The same as at Allenheads


Rolls – also the same as at Allenheads except the 3rd  pair for crushing the Chatts, not here to be used – but instead to have a set of 3 Stampers – here thought necessary from the excessive hardness of the materials.

Here as well as at Allenheads let provision be made for a Fly Wheel- which will not only regulate the Motion but also preserve the Wheels &c from the effect of the irregular Motion which will in time effect the joints of the Wheel &c.


at both places the outer end of the Wheel Shaft to have a [blank space]  to receive a coupling Box at any time for purposes that may be needful. 

      Mr Morrison to direct when the Castings shall be made

      the Diam. of the Gudgeons to be 6 inches

      the Diam. of the wheel to give Motion to the fly  10 feet

      the Diam of the lesser wheel upon the Shaft of the Fly  < 1-6 / 16>

	Diam of the Fly Wheel  18 ft

An Estimate of the Workmanship for Building a Crushing Machine at Allenheads Lead Mine for Thos Rd. Beaumont Esq. – 

The Water Wheel 36 feet Diam, 3 feet in the Clear with two sets of Arms & 4 sets of Rollers with 4 <Spur> Wheels, 8 pinions fitted up with  Laying Shafts universal joints & Hitching Boxes in the best way and manner with oak  frames and head stocks suitable to the said Machine all in a workmanlike manner & to the satisfaction of the Agents of each place The Workman to find all the Patterns at his own Expense for the Sum of £137 -0 -0

The above Estimate is without Casing the Water Wheel in a <ring> Waggonways or Water Troughs, to be made by day Work. 

Also, an estimate for a Crushing Machine at Coalcleugh with 3 Sets of Rollers and one Set of Stamps The Water Wheel the same as above, with laying shafts to the Rollers universal joints &c in the same manner as the above described. Estimate for the sum of £137 conformable to the attached description – This Estimate is without Casing in  the Water Wheel &c as above

Witness my hand this 16th day of September 1807

		Signed	Michael Elliott

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The Dukesfield Smelters and Carriers Project aimed to celebrate and discover the heritage of the Dukesfield Arches & lead carriers' routes between Blaydon and the lead mines of Allendale and Weardale. A two year community project, it was led by the Friends of the North Pennines in partnership with Hexhamshire and Slaley Parish Councils and the active support of Allendale Estates. It was funded by the Heritage Lottery Fund and the generous support of other sponsors. Friends of the North Pennines: Charity No:1137467