At this site of an old alum factory, The National Trust and Heron Recreation have put up display boards about the works. Alum is not exactly aluminium, by the way! - but rather potassium aluminium sulphate. Until the 19th century, it was used by the textile industry in the process of dyeing clothes.

Dan Hobson

8月 22, 2019

In the 16th century, alum was essential in the textile industry as a fixative for dyes. After initially importing it from Italy, the first works were set up in Guisborough. There are many former works along this coastline and Peak Alum Works affords a wonderful insight into the industry.

The extraction process is very interesting. Alum was extracted from quarried shale through a complicated process which took many months — and tonnes of human urine — to complete.

On the subject, the National Trust states: “The process involved extracting then burning huge piles of shale for nine months, before transferring it to leaching pits to extract an aluminium sulphate liquor. This was sent along channels to the alum works where human urine was added.

“At the peak of alum production the industry required 200 tonnes of urine every year, equivalent to the produce of 1,000 people. The demand was such that it was imported from London and Newcastle, buckets were left on street corners for collection and reportedly public toilets were built in Hull in order to supply the alum works. This unsavoury liquor was left until the alum crystals settled out, ready to be removed. An intriguing method was employed to judge when the optimum amount of alum had been extracted from the liquor when it was ready an egg could be floated in the solution.”

RichD

7月 31, 2024

If you are on the Cleveland Way between Robin Hood's Bay and Ravenscar then this is impossible to miss. Descriptive information boards tell a fascinating story.

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標高 70 m

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場所：Staintondale, スカボロー, ノースヨークシャー, ヨークシャーアンドザハンバー, イングランド, イギリス

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Cinder Track: Seaview Holiday Park to Robin Hood's Bay

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End of the Coast to Coast Walk, Robin Hood's Bay

Robin Hood's Bay – End of the Coast to Coast Walk

View of the Yorkshire Coast from the Cinder Track

Robin Hood's Bay Village

View of Whitby Abbey and Cliffs

ピーク・アルム工場の遺跡

1. ロビンハッドベイとボグルホールループ — ノースヨークムールズ国立公園

2. レイヴンスカーからボーグルホール経由してシンダートラック — ノースヨークムールズ国立公園

3. Ravenscarから出発する木道の小川渡り – J. H. Bell、時計職人ループコース

その他の必見人気スポット

私たちはあなたのプライバシーを大切にしています ⛰️

私たちはあなたのプライバシーを大切にしています ⛰️

ピーク・アルム工場の遺跡

1. ロビンハッドベイとボグルホールループ — ノースヨークムールズ国立公園

2. レイヴンスカーからボーグルホール経由してシンダートラック — ノースヨークムールズ国立公園

3. Ravenscarから出発する 木道の小川渡り – J. H. Bell、時計職人 ループコース

その他の必見人気スポット

3. Ravenscarから出発する木道の小川渡り – J. H. Bell、時計職人ループコース