Appold pump power and performance in 1-foot pump tests
The report analyzes pump tests by Mr. Appold estimating work rates at 1800 gpm and 397000 lb ft per minute. It notes horsepower estimates around 5 to 12 hp depending on conditions, power loss under 30 percent, and that the 1-foot pump raised water up to 67 ft 8 in with 1322 rpm, with examples of walnuts passing through without damage.
MENTIONED IN THIS ARTICLE
Appold
Moore's Patent Lever Ventilator Detailed in Clerkenwell Evidence
Moore and Sons of Clerkenwell-close highlight a brass framed lever ventilator for windows. It uses glass louvres moving via a rod and levers to vary ventilation, includes a soak in novel design with tight air distribution and weather sealing. The model sits in the south-west gallery Class X No 33 for public view.
MENTIONED IN THIS ARTICLE
Messrs. Moore and Sons
Clerkenwell-close
Ivy on Exterior Walls Curb Damp Through Shade
The author notes ivy on building exteriors as a preventive for damp. A case showed interior damp lessen after ivy covered the opposite wall, as overhanging leaves blocked rain and moisture from penetrating the wall, unlike fruit trees trained for yield.
October Garden Tasks and Theories on Manuring
October gardening focuses on sowing lettuce Mazagan beans and parsnips for early crops, transplanting endive and lettuce, and preparing spring cabbage. It discusses Liebig’s mineral theory versus nitrogenous manures, praises Lawes and Gilbert for Farmyard manure experiments, and explains exhausting soils to test fertilizer effects.
MENTIONED IN THIS ARTICLE
Leith
York
Liebig
Giessen
Lawes
The
Royal Agricultural Society of England
Gilbert
Messrs
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