Lead in Galena Assay Described for Small Scale Use
An 19th century assay method explains decomposing galena with zinc in nitric acid to precipitate lead onto metallic zinc. Finely ground galena in a beaker with zinc and diluted nitric acid yields lead precipitated as metallic crystals. After reaction, filter, wash, dry, weigh and compute lead percentage. The procedure notes applicability to Missouri smelting works and mentions handling caveats with volatile lead oxides.
MENTIONED IN THIS ARTICLE
Luce
Rocky “Mount_ tain College of
Missouri
New Explosive Herakline Promises Mining Boom In Austria
London Mining Journal notes an improved explosive called herakline, claimed to be lighter and cheaper than dynamite. It reportedly injects safely, requires no special handling, and may offer 45 percent savings in Austria Hungary while delivering strong blasting power for hard rock.
MENTIONED IN THIS ARTICLE
London Mining Journal
Austve-Hungary
Austria
Mings Aur
Herakline
The Centennial Sunday at the Exposition Grounds
The Philadelphia Times reports a bright temperate Sunday with over twenty thousand visitors, many leaving the grounds for nearby saloons. Crowd gathers along Lansdowne drive and 4 avenue to view the world fair exhibits, while attendance by workers declines since May and entry costs fifty cents per visit.
MENTIONED IN THIS ARTICLE
Nowteans
Lansdowne Drive
4 Avenue
Piadelphia Times
Mine Drainage and Pumping Engines in British Mines
The article surveys mine drainage costs, inconveniences, and durability, citing practical data on single lift engines from Suffield colliery and Wigan, with 10 000 to 20 000 gallons per hour outputs at various lifts. It highlights direct acting pumps as advantageous for new undertakings, noting compact design and the ability to be installed in pairs to avoid total pumping stoppage.
MENTIONED IN THIS ARTICLE
Suffield
Wigan
Newcastle
Nails and the old nail mesurement in English commerce
A historical note explains the origin of nail sizing from pounds and pence, detailing how nails were counted and priced in England. It discusses the shift from pound to penny notation, the varying counts per hundredweight, and why manufacturers and dealers use current size designations despite older measures.
White Slavery in Hartford Printing Bureau Described
A Griselda report from the Hartford Times recalls harsh conditions in the Treasury Department printing bureau. Five employees were detained after a missing sheet, deprived of food, and threatened with pay deduction for delays, amid heat and fear impacting families dependent on them.
MENTIONED IN THIS ARTICLE
Griselda
Hartford Times
Treasury Department
Hem
Englan
Marlborough on the Meuse river incident recalled
An aging travel reminiscence praises the Meuse as a clear river from Vosges to the Netherlands and recalls a summer evening near Roermond Venlo where boys swam. It also notes a 18th century boat incident with merchants and John Churchill later created a duke.
MENTIONED IN THIS ARTICLE
Ihe Mans
Meuse
Belgiton
Otland
Rhine
Méuse
Vosges
Netherlands
Roermonde
Venno
Royle Roche
New Foundland
Eton
Harrow
John Clairchill
Earl of Marlborough
England
Great Guns Fire Test Debugs 81 Ton Gun at Gavre
An 81 ton gun fired at Gavre in French tests with a 260 pound powder charge and a 1,260 pound shell. The trial showed higher velocity but reduced chamber pressure. the gun fractured near the muzzle and the powder chamber expanded by one twelfth inch. Sir Joseph Whitworth’s hexagonal bore steel gun failed in this run.
MENTIONED IN THIS ARTICLE
Putls
Plumstead Marshes
Joseph Whitworth
Gavre
Woolwich
Dulling Heat Weakens Looking-Glasses and Oil Paintings
A New England Farmer correspondent explains heat from sun and furnaces damages glass by loosening the quicksilver backing, causing dimness and speckling. He warns paintings also suffer from direct sun and heat, leading to cracks and dull appearance.
MENTIONED IN THIS ARTICLE
New England
Inventor Henry Walker Proposes Faster Machine Made Scissors Blades
Henry Walker of 72 Napier Street Sheffield has secured provisional protection for a method that automates blade production. The invention eliminates skilled forging, using existing machinery to cut and file blades with a boy or girl operator, delivering twenty times faster output. Leading manufacturers test samples and Walker negotiates with the scissors manufacturers' association amid a strike.
MENTIONED IN THIS ARTICLE
Sheffield Telegraph
Henry Walker
Napier Street
Sheffield
Wall
Walker
Scissors Manufacturers’ Association
Goughs Dr. Brown Sequard on stopping morbid respiration
In late Boston lectures Dr. Brown Sequard argues morbid respiration can be halted by nerve pressure near the lip or nose. Coughing sneeze and hiccup may be suppressed by this technique, with the willpower of the patient noted as powerful. A French nurse’s remark about withholding food to quiet a cough is cited.
MENTIONED IN THIS ARTICLE
Brown Sequard
Boston
Lattimore
Dom Pedro’s Wading Marriage Tale From Harbor
Fragmentary OCR reflects a maritime scene mentioning Dom Pedro, a harbor incident, and a reference to Porter. The readable text hints at a historic marriage in connection with Dom Pedro and a naval figure, but the details are incomplete.
MENTIONED IN THIS ARTICLE
Porter
Dom Pedro Ati
Shark caught near Shi Shoal Lighthouse with curious cargo
Memantoet of a Bhark é Meal reports Captain Williams and F A Hamilton capturing a nine foot eight inch shark at Shi Shoal. Its stomach contained a jeweled watch numbered 85 628 a gilded button and a buckle from trousers. The watch is described as a patent lover. The animal was likely part of a larger misadventure.
MENTIONED IN THIS ARTICLE
F. A. Hamilton
Shi Shoal
Williams
Wilson
Rafe Making Aids Metal Work In Brief Fragment
A fragment notes Rafe Making as crucial to the copper and iron works, describing soft pliant material briefly and referencing preparation of a new interior piece. It mentions destruction of the bolt and the immediate effect on the work.
Frigid Food Experiments Stir Hunger for Future Cookery
A Hungarian chemist explores heating and cooling to cook meat by exposure to extreme temperatures. The concept involves refrigerating and freezing methods as a method to finish cooking. The report cautions about dubious broiling ideas and mentions a man supposed to die in a snowstorm amid related events.
Also Mentioned on This Page
THE
Butte Miner
Sulls & Kesscer
F Proprietors
EW. Finch
Montana
Girton
Butte
Gmce
Broadway
G.w. Beal
M.D
Gjmee
Henry Elling
Peale
Tuirginla City
Mon
Penn
Iyns -Arnohl
Woodward
W.H. Weimar &Co
Deel Lodge
Grocers
W.H. Weimar & CO
D. Cohen
A. Comen
BRO
Grochrs
Saddlery
Deer Lodge
Iam
Attorneys
Rotariea and Collection Agents
Peg
Copper ‘Opolis Restaurant
Jos
Rosentital
Mearneyer
Scott
Bam
Rvtay
McBurney House
Deer Lodge City
Aylesworth & McFarland
Cirton
Butte City, Mont
Robertgirton
Prorrieron
Tie Tonse
Ciirextes
Lave
Hintel
Hotel de Mineral
TE TY
Proprietors
Rutte
Tatswirtis Bros
ST. Louis Hotel
Fackwae Streets
Helena, Montana
Scinvab & Zimmerman, Proprietors
Fins
Chass
S. Jon
E. B. Hart & CO
Moose Creek
General Merchandise
Dann E.R. Hart & CO
Br. F. BE. Gleagon
Heraktine
Mardorox
Venice
Denver
Georgetown
Gray
Kerwin
Marlborough
Blenkenny
Jersey
Brookly
Dom Pedro
Rafe
This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!