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This newspaper page contains 25 articles. Subscribers can read the full text of each article.
Newspaper
Warren Mail
Location
Warren, Pennsylvania, United States of America
Date
Feb 13, 1913
Page
6
A new two gear rotary pump tested at Iowa State College shows high efficiency with 76.3 percent at 400 RPM and 0.25 gallon discharge per revolution after leakage. The design uses an outside annular gear and an inside spur gear with a crescent divider, handling water mixed with mud and gravel in quarry use.
Lehigh University civil engineers tested a colossal six by nineteen wire rope weighing 125 360 pounds and 7 810 feet long in a 800 000 pound machine. The rope used in Cuba's Mayari mines carries ore on a 6800 foot incline. Tests aimed to measure strength after extended service with portions shipped to Roebling works for evaluation.
A Swedish firm develops a method to extract finely divided carbon from tar to produce electric light carbons by pressing the carbon into shapes. The carbon content gives tar its black color, and the process separates carbon from the liquid for molding into various sizes for electric lighting and electrochemical work.
A blacksmith describes hardening soft iron by wetting it, scattering yellow potassium prussiate on the surface, heating to a cherry red, coating as the potash melts, then quenching in cold water and repeating. A white heat must be avoided to prevent oxidation.
The article explains chemically removing iodine stains from fabric using a strong sodium hyposulphite solution or hypo. It notes no danger in concentrations, but best results come from a mix of one ounce hypo to two ounces water.
La CronicaMed regional notes a new process to extract oil from grape seeds. Cold pressing yields edible oil, while heated pressing and solvent methods produce darker oil for lighting soap and textile uses.
Amateurs worry about air bubbles in barometer tubes. A hollow swab made from tightly wound iron wire and cotton fits the tube and, when drawn through with mercury, wipes away minute air bubbles to leave the tube dry and full of clean mercury.
The article notes Mount Massive and Mount Elbert are the state’s two highest peaks at 14 402 feet, both in Lake County Leadville district, while Pikes Peak at 14 108 feet is well known though not the tallest. It adds Colorado’s average altitude is about 6 800 feet and mentions access via railway to Pikes Peak.
A five story oyster shell concrete structure erected in Galveston Texas uses reef shells for its walls. The three foot high wall spans 326 feet and withstood fire and water tests, claiming shells from about 5 805 000 oysters embed the walls and noting it as a unique world example.
The text claims the ocean curvature in miles follows a rule: eight inches times the square of the mile number. It asserts land lies at water level and all computations use the ocean as the base for curvature.
A method to remove acid stains involves rubbing with pearl ash then boiling in soapy water. Dry the instruments in tautsnesia powder and finish with a dry cloth polish.
The United States has a limited manganese industry due to sparse deposits. Most ore is mined, washed, or sorted. imports supply much of the demand. Anciently used in glassmaking, manganese oxide decolorized Roman glass, and Pliny notes its magnetic property. Today its key use is in steel as wear resistant parts and nonmagnetic cover plates for large electromagnets in foundry equipment.
A pitless turntable designed for private garages and automobile salesrooms gains favor. It features a circular base braced by diametrical stay rods and a frame with two runways that pivot at the center. Ball bearing ends ride on the ground surface track to receive wheel sets.
The article outlines steps to prepare a car for winter. It advises deflating tires or removing them, washing and vulcanizing larger tires, protecting from light, cleaning and coating rims, draining water and gasoline, preserving fuel in airtight containers, flushing oiling systems, cleaning bearings, and cleaning the engine exterior. Finish with a top raised and a large cover to protect from dust.
A Canadian inventor created a four foot direction indicator with dials at both ends of the car. The device uses green, red and white lights to signal ahead left right or stop and warns drivers a minute or two before the maneuver. The indicator operates without interfering with car operation.
The schedule lists Main Line westbound cars from the waiting room at on the hour and at 10 20 30 40 and 50 minutes past each hour. Grade Run and P & E station depart at specified 5 15 25 35 45 55 minute marks. Conewango avenue trips run on even and half hours. Warren Jamestown and Clarendon services run with precise minute offsets. Special Warren Clarendon runs 4:30 and 6:30 daily except Sunday. Jamestown trips start 6:00 a.m. Warren Jamestown service ends by 11:10 p.m. with arrivals at Warren 12:10 a.m.
The list names President William H Taft and a full slate of cabinet officers including James Sherman Philander Knox Franklin McVeagh Henry Stimpson Geo W Wickersham Frank Hitchcock Geo Von L Meyer W L Fisher James Wilson Sharies Nagel Ed R Allen Curtis M Shawkey Peter M Speer Earl H Beshlin John K Tener John M Reynolds Robert McAfee Hampton Todd and others. It enumerates positions from Secretary of State to Attorney General and Governor with locality notes for several officials.
An exhaustive roll of Warren County officers including President Judge W. D. Hinckley, clerks, sheriff, district attorney Frank J. Lyons, and numerous court staff. Also lists Warren County health officials with medical inspector Dr. M. W. Ball and township coverage, plus city officers, ward leaders, and state appointments for six to one year terms.
The Wood Worker reports hubmakers are collaborating with wagon manufacturers to trim useless hub sizes and patterns. Standardization will boost machine accuracy and reduce costs, while simplifying spoke production and cutting equipment changes across the industry.
Massachusetts station researchers G. Stone and G. H. Chapman report that tree electrical resistance declines as temperature rises, causing daily and yearly resistance cycles. They find cambium tissue has the lowest resistance, followed by phloem and sapwood, with high resistance at low temperatures.
The United States Geological Survey surveyed the Arizona petrified forest in 1910 and has issued the resulting map. The fossil trees are hundreds of thousands to millions of years old, wood turned to stone by silication and soil cover, an agate of many colors. The forest lies south of the Santa Fe line in Navajo and Apache counties and is reached by wagon road from Adamana.
Instructions describe two repair methods for broken iron cookware. The first uses melted sulfur with fine black lenders well and a hot pour to form a solder like repair. The second blends lime, iron paste, and filings to create a filling that restores vessel strength.
The article describes making permanent iron magnets by machining iron castings, heating in a gas furnace to a softening point, washing in a chemical bath to remove impurities, and magnetizing with electric coils. Iron magnets are 10 to 15 percent weaker in field than steel magnets but cost about half as much for intricate patterns while offering similar magnetic permanence.
A practical method to free rusted or tight bolt threads. Mix powdered emery with grease, apply inside the nut and on the bolt, then turn the nut and run it back and forth along the threads. Effective even for stubborn cases.
A newly marketed aluminium level promises light weight, strength, and durability without warping. It features two plumbs and two levels for any orientation, eye-based plumb checks, dual spirit glasses with two wires for instant bulb visibility, and dust water resistant heavy lenses. Available lengths include 3 ft 6 in, 24 in, 30 in, and shorter 12 in and 18 in for machinists.
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