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Glass Making
Glass-making. The Siemens Continuous Tank-furnace.—the Use Of The Melting Pots In Glass-making Is Now Altogether Abandoned, And The Batch Is Introduced Into, Melted In, And Worked From A Tank Occupying The Entire Bed Of The Furnace, Which Let Ter Is Heated By The Well-known Sie Mens Regenerative Gas System. Two ...

Gold Mills
Mills, Gold. Gold-milling Machinery.—auriferous Ores Are Commonly Worked By The Amalgamation Process. Very Rich Gold-ores Are Sometimes Sold To The Lead-smelters And Their Gold Contents Collected In The Lead Bullion ; But The Ores From Which Nearly All Of The Gold Of The World, Excluding That From Placer-mines, Is Produced ...

Governing Of
Governing Of M Otorti. —one Of The Earliest Attempts To Secure An Automatic Regulation Of The Speed Was That Of M. Marcel Deprez, Who In Di78 Applied An Ingenious Method Of Interrupting The Current At A Perfectly Regular Rate By Introducing A Vibrating Brake Into The Circuit. It Ran At ...

Governors
Governors. We Present A Variety Of The Latest Improved Types Of Governors. Boll's Shaft-governor.—mv. Prank If. Ball Has Recently Made A New Application Of A Dash-pot To Centrifugal Governors. Which Seems To He Free From The Difficulty Formerly En Countered With Dash-pots In This Connection. It Is Thus Described In ...

Grain Harvesting Machines
Harvesting-machines, Grain. The Construction Of Binding-harvesters Has Been Changed To Some Extent As Regards The Harvester Part, And Radically In The Binder Part, Since The Year 1380, And The Use Of This Compound Implement Has Been Largely Increased By The Very Preferable Employment Of Twines Instead Of Wire To Bind ...

Grain Milling Machinery
Milling-machinery, Grain. A Very Advanced Step Has Been Taken In The Last Twelve Years By The Introduction Of Rolls For Grinding Grain. This Has Led To A Radical Change Of Systems Of Milling. The Old Process Of Low-grinding In Which The Wheat Was Reduced To Flour By Buhr-stones At One ...

H Ora I Ie
Engines, H Ora I] Ie. Pearsall's Hydraulic Engine Is Shown In Fig. 1. It Is Thus Described Ley 31r. Ii. D. Pearsall, Of London, The Inventor, In A Paper Read Before The American Institute Of Alining Engineers In February, 1s69: "the Engine Or Machine Acts On The Principle Of The ...

Hat Making Machines
Hat-making Machines. Stretching And Block-ing.—in The Preceding Volume Of This Work (figs. 2301 To 2315) Will Be Found Illustrations Of Hat-stretching And Blocking-ma Chines Which Are Operated By Hand, And On Which The Work Is Manipulated By The Operator. These Machines Have Been Materially Improved, So That They Are Now ...

Hay Carriers And Kickers
Hay Carriers And Kickers. Apparatus For Transporting And Ricking Ray.— Fig. 1 Represents Sectionally A Form Of Hay-carrier Made By The .lanesville Hay-tool Co. When Held In Position To Receive A Load, A Key Is Retained In A Trip-block By A Pair Of Movable Jaws Until The Fork-pulley Rises, And ...

Hay And Cotton Presses
Presses, Hay And Cotton. Hag-baling Presses Are Operated By Steam-power Or By Horses, And Are Made In Some Variety, Hut All On The Plan Of Compressing Small Charges In Detail Consecutively Into A Long, Horizontal, Square-cornered Box By Strokes Of A Reciprocating Traverser. Fig. 1, Which Represents The Dederick Press, ...

Heaters Feed Water
Heaters. Feed-water. The National Feed-water Healer Is Shown In Fig. 1. It Consists Of A Coil Or Series Of Coils Of Seamless Drawn Brass Or Copper Tubes Contained In An Iron Shell. The Otis Heater Is Shown In Fig. 2. The Exhaust Steam Enters The Heater At The Top, As ...

Horse Po Ivers
Horse-po Ivers. Fig. 1 Is A Perspective With Cover Removed, And Fig. 2 A Sectional View Of The \voodbury-dingee Mounted Horse-power. Made By Russell & Co., Of Massillon, Ohio. The Master-wheel Is Socketed For Bars For Six Spans Of Horses, With Circular Travel To Rotate It Horizontally. It Is A ...

Hydraulic
Hydraulic Cranes.—the Ridgway Steam Hydraulic Crane Has A Jib Carrying A Free Trolley, Which Is Suspended By Short And Very Heavy Chains Passing Over Wheels On The Inclined Brace And Mast. And Are Attached To The Upper End Of A Cylinder. The Piston-rod Of This Cylinder Is Hollow, And Is ...

Hydraulic Machines
Hydraulic Machines.- The Improved Ore Washer Consists Of A Long. Inclined Box, In Which Revolve Two Parallel Logs, Studded Spirally With Broad, Flat Teeth. The Logs Are From 17 In. To 18 In. In Diameter, Hewn Hexagonally, And 30 Ft. Long, Covered With Iron Their Entire Length. The Washer Box ...

Hydraulic Transmission Of
Hydraulic Transmission Of Of Power For Lifting, Etc., By Water Under Pressure Is In Common Use In Steel Works And Other Large Manufactories, But It Is Not Generally Adopted For Long Distances, Transmission By Compressed Air, By Steam-pipes, Or By Electricity Being Usually Preferred. It Is, However, A Valuable System ...

Hydraulic_2
Hydraulic Separators.—hydratilie Separators Are Machines For Classifying The Fine Material To Be Concentrated Into Groups Of Particles Which, Under Like Conditions, Fall Through The Water Together, The Material Thus Being Prepared For The Jigs Or Other Slime-washing Ma Chines. The Hydraulic Classifiers In General Use Are, With Unimportant Modifications, Forms ...

I Fire Trucks And
I. Fire Trucks And Ladders.—varions Devices Have Been Constructed For Elevating Lad Ders Against A Burning Building, So As To Allow Both Of Escape Of Inmates And Ready Access Of The Firemen. The Hayes Extension Ladder-track. Manufactured By The La France Fire-engine Co., Of Elmira, N. V.. Is Illustrated In ...

I Horizontal Tenoning Machines
I. Horizontal Tenoning 'machines.- The Fay Tenoning Machines.—in Older Forms Of Tenoning Machines The Stick Is Placed Parallel With The Axes Of The Cutters, And There Are Two Mandrels, One Working The Material Away From The Upper, And The Other From The Lower, Surface Of The Stick ; Each Set ...

I Nozzles And
I. Nozzles And Play-pipes.—figs. 5 And 6 Represent A Novel Form Of Flexible Play-pipe Made Of Rubber-lined Cotton, Wound On The Outside With Brass Spring-wire. At A Is Shown A Simple Form Of Nozzle, Which Is Opened Or Closed By The Movement Of The Swinging Pail, As Indicated By The ...

I Passenger And Freight
I. Passenger And Freight Elevators. Steam Eleyators.—a Simple Form Of Steam Freight Elevator, Manufactured By Otis Brothers & Co., Of New York, Is Represented In Fig. 1. It Is Particularly Adapted To Buildings Where High-pressure Steam Is Available. And Is Intended For Handling Heavy Freight. W Is The Steam Hoisting-engine, ...

I Tue Latest Types
I. Tue Latest Types Of Stationary Reciprocating Steam-engines.—the Woodbury Engine Is Shown In Perspective In Fig. 1. Fig. 2 Is A Vertical Section Through The Cylinder And Valve. Fig. 3 Is A Horizontal Section Through The Steam-chest Above The Top Of The Valve. Fig. 4 Shows The Steam-chest With Cover ...

I Type Bar
I. Type-bar Maciiines.—the Caligraph Typewriter, Fig. 1, Is A Type-bar Machine, Hav Ing A Common Printing Point, At Which The Type Strike By An Upward Motion Of The Type Bar. This Point Is Exactly In The Center Of The Basket. And When Any Key Is Touched The Type Cor Responding ...

Ii Machines For Manufacturing
Ii. Machines For Manufacturing Purposes And Heavy Work.—the Wheeler & No. 12 Machine, Fig. 10.—in This Machine The Moving Power Is Applied To The Upper Revolv Ing Shaft. Which Communicates A Uniform Rotary Motion To The Lower Main Shaft By Means Of Two Connections And Double Quartering Cranks. The Loop-taker ...

Ii Multiplex Telecea
Ii. Multiplex Telecea Phs.—the System Of ,yr. Delany Is Based Upon Two Main Prin Ciples : First, That Of Synchronism, Or The Simultaneous Motion Of Similar Pieces Of Apparatus At Two Different Places ; And, Secondly. That Of Distributing To Several Telegraphists The Use Of A Wire For Very Short ...

Ii Pressure
Ii. Pressure Pegulators.—the Foster Pressure Reducing Valve Is Shown In Fig. 4. The Principle Of Operation Is As Follows : Steam Is Admitted At A And Delivered At B, At A Pressure Dependent Upon The Open Ing Of Valve, D, Which May Be Regulated By Turning Spindle, P. To The ...

Ii Spirally Welded
Ii. Spirally Welded Tubing.—the Manufacture Of Spirally Welded Tubing, As Carried On At The Works Of The Spiral Weld Tube Co., Orange, N. J., Is Thus Described: The Raw Material Of The Industry Is The Sheet-iron Or Steel Of Commerce, Of Such Lengths And Widths As It Is Convenient To ...

Iiefinino Of Ti1e
Iiefinino Of Ti1e Recently These Have Been Sold Directly To The Smelters, Save In Some Mills Where They Have Been Reduced On A Vaso Or Lead-bath After An Oxidizing Roast. Latterly, However, Aided By Improvements, Some Of The Details Of Which Have Been Patented By C. A. Stetefeldt, A Refinery ...

Iii Drills Driven By
Iii. Drills Driven By Hydraulic Pressure.—the Brandt Drill Operates Through A Hydraulic Pressure Of Front 100 To 120 Atmospheres, And Pierces The Hardest Rocks After The Manner Of Diamond Rock-drills, But With The Use Of Steel Tools. The Drilling - Tool, Which Is Annular In Form, Is Given A Ro ...

Ines
Ines Are Used For Excavating Ditches And Trenches For Drainage, Etc. The Plumb Ditcher (pig. I) Cuts The Whole Ditch In One Passage On The Required Grade. It Of An Engine And Boiler Driving N Large Cull Ing-whoel. All Set In One Frame Carried On Tone Bronil-fiwed Wheels. The Is ...

Ing Naciiines
Ing Naciiines. Braiding Ma Chinery Is Employed For Making Plaited Fabrics, Either That Or Round, Such As Are Used For Braids And Other Trimmings, Wicks, Fish-lines, Shoe And Corset Laces, Curtain Cords, Etc. It Has Also Of Late Years Found ;1 Very Important Employ Mem, In The Manufacture Of The ...

Injectors
Injectors. The Monitor Injector Of 1888, Made By The Nathan ?mfg. Co.. Of New York. Is Shown In Fig. 1. It Is Adapted For Use In Locomotives, And May Be Used Either With The Lever Attachment, As Shown, Or With A Quick-motion, Screw-starting Arrangement. It Has A Range Of Capacity ...

Iron Ore Dressing
Iron-ore Dressing Machinery.—iii This Country Much Money, Labor, And Thought Have Been Devoted To The Enrichment Of Iron Ores By Roasting To Drive Off Sulphur And Carbonic Acid, Or Make The Ore More Friable, And By Washing And Screening To Remove The Clay And Sand From Earthy Ores. Iron Ores ...

Iv Machine
Iv. Machine. —the Merritt Typeteriler.—this Machine Is Designed To Be Operated By One Hand. The Type Stand Upright, And Are Arranged In A Movable Trough, Which Is Fitted Into Another So That I Can Be Moved Easily From Side To Side. In The Center Is The Print Ing Point. The ...

Jacobis Law
Jacobi's Law Concerning The Maximum Power Of An Electric Motor Supplied With Currents From A Source Of Given Electromotive Force, Is The Following : The Mechanical Work Given Out By A Motor Is A Maximum When The Motor Is Geared To Run At Such A Speed That The Current Is ...

Key Seat Cutters
Key-seat Cutters. The Morton 11"ay Cotter Made By The Morton Manufacturing Co., Of Muskegon, Mich., Is Shown In Fig. 1. One Of The Main Features Of This Machine Is The Oscillating Guide For Cross-head, Which Oscillates From The Center Line Of The Main Shaft, Giving The Tool It Straight-drawing Cut. ...

Keys
Keys. Machine-made Keys.—fig. 1 Represents The Shape Of Machine Keys Made By The Sandwich Manufacturing Co., Of Sandwich, Ill., In The Following Manner : Each Machine Con Sists Of Three Co-acting, Revolv Ing Steel Hammers, The Upper And Principal Set Acting On And Drawing Out The Heated Rod To Its ...

King Machines
King Machines. In The Manufacture Of Both Tight And Slack Barrels, And More Especially In The Latter, Machinery Is Used In An Extent Which Is Increasing Year By Year; And The Indications Are That Even In Tight Barrel-making, At Least Where The Barrels Are Not To Contain Very Expensive Liquids, ...

Ktom
Ktom, Crusher (fig. 1) Is A Modification Of The Blake. The Motion Of The Mov Able Jaw Is Imparted In The Usual Manner, By Eccentric, Pitman, And Toggles. The Machine Is Strengthened By Longitudinal Tie-bolts, Through The Frame, Which Re Ceive All The Strain Due To Crushing The Rock Or ...

Lathes Wood Work 1 Ng
Lathes. Wood-work 1 Ng. Improvements In This Machine During The Past Ten Years Are Mainly In Its Adaptation To Special Kinds Of Work. A Variety Of Novel Forms Of Lathe Are Presented. Hathe.-lin This Machine, Which Is For Circular Turning, There Is A Live And A Dead Center For The ...

Leaciiing Vats
Leaciiing-vats, Etc.—the Leaching-vats Used In Lixiviation-mills Is Shown, In Vertical Sec Tion, In Fig. 6. In The Center Of The Bottom Is The Discharge Opening, 6 In. In Diameter. The East-iron Discharge-tube K Of The Same Inside Diameter, Tightly Fastened To The Outside Of The Tank-bottom, Corresponds With The Discharge-hole. ...

Letter Marking Machine
Letter-marking Machine. On The Opposite Page Is Illustrated An Automatic Letter-marking Machine Recently Adopted By The Post-office Department Of The United States For Use In The Post-offices. The Machine, Which Is Manufactured By The International Postal Supply Co., Of New York, Under The Patents Of G. W. Hey, Emil Laass, ...

Line Sulphite Fiber Digesters
Digesters, Line Sulphite Fiber. Sulphite Fiber, Or Pure Wood Cellulose, Su Persedes Rag Stock In Paper-making. The Wood In (-hips Or Disks Is Boiled In Great Digesters With A Solution Of Bisulphite Of Lime, And The Main Engineering Problem Lies In The Construc Tion Of A Suitable, Economical, And Lasting ...

Locks
Locks. Dooa-locas.—yale Locks.—a Late Improvement. In Yale Locks Is The Longitudi Nal Corrugation Of The Key And Corresponding Alteration Of The Escutcheon, The Ping In Which Is Provided With A Key-way Having Corresponding Corrugations Throughout Its Entire Length, So That The Key And Key-way Engage With Each Other At All ...

Locomotives
Locomotives. There Are Now Used For Passenger And Freight Traffic In The United States Four Principal Types Of Locomotives: 1, The Passenger Or Light-freight Locomotive, Which Is Designated The "american " Type, Having Four Coupled Drivers And A Four-wheel Truck Or Bogie In Front (see Vol. I,p. 304 El Seq.): ...