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BROWN-FIRTH LABORATORIES, NOW ENGLISH PEWTER COMPANY

List Entry Summary

This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.

Name: BROWN-FIRTH LABORATORIES, NOW ENGLISH PEWTER COMPANY

List entry Number: 1392386

Location

BROWN-FIRTH LABORATORIES, NOW ENGLISH PEWTER COMPANY, 1, BLACKMORE STREET

The building may lie within the boundary of more than one authority.

County:

District: Sheffield

District Type: Metropolitan Authority

Parish:

National Park: Not applicable to this List entry.

Grade: II

Date first listed: 20-Dec-2007

Date of most recent amendment: Not applicable to this List entry.

Legacy System Information

The contents of this record have been generated from a legacy data system.

Legacy System: LBS

UID: 490736

Asset Groupings

This list entry does not comprise part of an Asset Grouping. Asset Groupings are not part of the official record but are added later for information.

List entry Description

Summary of Building

Legacy Record - This information may be included in the List Entry Details.

Reasons for Designation

An early C20 purpose-built research laboratory and offices. This building has architectural interest as a largely intact specialist industrial premises built by two of Sheffield's largest steel manufacturers for research into steel alloys. It has a well-detailed exterior incorporating large windows and roof lights to the top floor laboratories, and high quality interior fittings including original laboratory benches and hearth. This laboratory is of national significance, however, particularly because of its historic importance as the building in which local metallurgist Henry Brearley developed stainless steel in 1913. He quickly recognised the relevance of a non-rusting steel alloy in the manufacture of cutlery, thus revolutionising the local cutlery industry for a second time (the first time being the development of crucible steel in the early C18, also a local discovery). His successor, William Hatfield, further refined the alloy in 1924 in the same laboratories. Stainless steel remains the best known and most widely used of all the alloy steels on a worldwide basis. It is therefore strongly recommended that the building is listed at Grade II.



History

Legacy Record - This information may be included in the List Entry Details.

Details

SHEFFIELD

784-1/0/10144 BLACKMORE STREET 04-FEB-08 1 Brown-Firth Laboratories, now English Pewter Company

II

Also Known As: Brown-Firth Laboratories, now English Pewter Company, 72, PRINCESS STREET Research laboratory, now pewter works. Early C20, of two phases. Red brick with stone dressings, slate and metal roofs with north light glazing and stone copings to original block. Brick stacks to rear slope of roof at junction of original block and extension, and to extension.

EXTERIOR: Princess Street elevation of 3 storeys and 5 original first-floor bays, extended by 5 closely matching bays to right. Ground floor has a double-recessed doorway to left, north-east end, with rectangular overlight and stone lintel. To right are 4 round-headed, double-recessed windows with chamfered stone sills, brick voussoirs, stone keystones, and cross frames, and an entrance doorway with round head, stone keystone, two-panel door and semi-circular overlight. To the right 5 similar windows. Ventilation grilles of 2 patterns between ground-floor openings. First floor has 10 two-light windows with chamfered stone sills, segmental brick heads. Moulded brick string course above first-floor windows and another below second-floor windows. Second-floor windows are arranged in 2 groups of 5:2:5-light windows, with chamfered stone sills. Windows in original block to the left have continuous concrete lintel, windows to the right have individual moulded heads to each window. Modern glazing throughout. Cornice. Rounded stair tower to right, south-west end has stone-capped plinth, moulded brick band and 3 two-light windows (the lowest now containing plaques commemorating Harry Brearley and the invention of stainless steel).

Blackmore Street elevation has 2 inserted doorways on the ground floor, 6 rectangular windows with brick flat arches to the first floor (the 2 to the right narrower), 4 similar windows to the second floor.

Rear elevation has round-headed windows on the ground floor, segmental-arched windows on the first floor, on the second floor, flat-arched windows in the original block and windows similar to those in the front elevation to the extension. Basement window openings visible, now blocked. Rear is rendered to left, south-west end (at junction with now demolished wing), with a C21 single-storey brick addition.

INTERIOR: Cantilevered staircases with decorative metal balusters at either end of building. Ground floor of original block 2 rooms deep, with exposed steel frame to SW. First floor, housing offices, divided by central corridor. Decorative mouldings to beams in original block. Parquet floors throughout. Second floor, housing laboratories, retains benching and hearth. Copper tape applied to ceiling and upper part of wall of many rooms. Basement contained cinema and retains projection room and some fittings.

HISTORY: The birthplace of stainless steel. Purpose-built as research laboratories, a joint enterprise by the firms of John Brown and Firth's, two of Sheffield's largest steel manufacturers in the early C20. Established in 1908 with metallurgist Harry Brearley as manager. In 1913 Brearley developed a chromium steel alloy with corrosion resistance which he named `stainless steel'. Research into 'stainless' steel alloys continued on the site under Brearley's successor, William Hatfield.

SUMMARY OF IMPORTANCE An early C20 purpose-built research laboratory and offices. This building has architectural interest as a largely intact specialist industrial premises built by two of Sheffield's largest steel manufacturers for research into steel alloys. It has a well-detailed exterior incorporating large windows and roof lights to the top floor laboratories, and high quality interior fittings including original laboratory benches and hearth. This laboratory is of national significance, however, particularly because of its historic importance as the building in which local metallurgist Henry Brearley developed stainless steel in 1913. He quickly recognised the relevance of a non-rusting steel alloy in the manufacture of cutlery, thus revolutionising the local cutlery industry for a second time (the first time being the development of crucible steel in the early C18, also a local discovery). His successor, William Hatfield, further refined the alloy in 1924 in the same laboratories. Stainless steel remains the best known and most widely used of all the alloy steels on a worldwide basis.

Selected Sources

Legacy Record - This information may be included in the List Entry Details

National Grid Reference: SK 36928 88457

Map

Map
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End of official listing