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This newspaper page contains 11 articles. Subscribers can read the full text of each article.
Newspaper
Pittsburgh Dispatch
Location
Pittsburgh, Pennsylvania, United States of America
Date
Apr 27, 1890
Page
8
English patent described a daily use detector for mine danger. A bore and stuffing box measure gas or water intrusion. a pressure gauge signals danger and halts progress. Larger variants pass food and deliver rescuers to imprisoned miners via tubular chambers. Medical tools for mining casualties proposed at district depots.
The report discusses miners health improvements from better ventilation and the persistence of conditions like miner s nystagmus and anthrocosis though rarer now. It covers salt production by open vats and a new economical evaporator by Dr Pick, plus dental cautions against unnecessary extractions and advances in photography with a new non explosive flash light by Dr T Taylor.
The text notes that the fissh is instantaneous and the heat is not sufficient to ignite the most inflammable material on which the powder may rest, indicating limited ignition risk in this scenario.
A gentleman offers $5,000 to any New England university that will send a physicist to observe Keely's experiments and refrain from opinion until Keely's demonstrations are revealed. An engineer says his report would be worth more if it helps a client avoid a larger loss on Keely stock.
European interest grows in teaching braising for the poor, using meat scraps and vegetables. A British Medical Journal correspondent notes the vintager's pot au feu in Medoc as an example of nutritious, tasty cooking, praising its potential for soup kitchens and harvest hands.
An inventor in Copenhagen proposes a heat activated explosive device to protect bearings. A cartridge shell holds a small explosive with a hollow sulphuric acid capsule on top, surrounded by a chlorate and sugar mix sealed with cork. Heat melts the capsule, acid reacts, detonating to warn of overheating.
A glass manufacturer in the country reports a new method to roll and produce wide glass sheets of any length. Undulated metal rollers heated from inside by steam or gas compress and shape the sticky melt, with wax coating preventing adhesion. The result promises greater homogeneity firmness transparency and lower window glass costs.
A Berlin professor notes a rare case of schmerz-freude in a young hysterical woman who derives pleasure from pain. She refused anesthesia during three procedures including ligation of facial and carotid arteries and removal of the lower jaw, insisting on proceeding without anesthetic.
The article explains how colors photograph differently with advances in chemicals and lighting. It notes subdued colors give neat pictures and warns that blue and pink read as white while purple appears lighter and red or deep yellow may look black. It also mentions glue whitening with oxalic acid and reports on search light tests exposing uniforms, plus a blue 2 1/4 karat diamond on display at M G Cohen’s jewelry store at 533 Smithfield Street.
In Lewistown April 26 excitement rises over mad dogs that have bitten three people near Smithfield and many livestock. A large hound bit man and boy. victims sought a mudstone treatment in Hancock county, which allegedly draws out poisonous matter. Authorities warn residents to muzzle dogs.
Great reductions offered at 35 Fifth Ave and 24 Sixth St including Misses and children knit items, double vaenists in all sizes at 50c per pair. No branch store. Barcatss for Monday and Tuesday. Striped sarah silks offered at 69c. Sale by ENABLE and Suusters at 35 Fifth Ave.
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