English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

An apparatus for the production of the gas from coal having been prepared by Mr. Murdoch, for the very extensive cotton manufactory of Messrs. Philips and Lee, at Manchester, which is now illuminated by means of this alone upon a very large scale, this instance was selected as the best for estimating the expense of employing the gas lights. The quantity of light there employed was ascertained by comparison of the shadows to he equal to that of about 2500 mould candles of six in the pound, each of which consumes about four tenths of an ounce of tallow per hour.

An account of the application of the gas from coal to economical purposes