Antique Insulators

The electric telegraph in the United States was developed by Samuel Morse in , and the first message was sent by Morse in The telephone was invented by Alexander Graham Bell in Insulators were necessary by serving as a medium for attaching the wires to the poles, but much more importantly, they were required to help prevent electric current loss during transmission. Both glass and porcelain insulators have been used since the early days of the telegraph, but glass insulators were generally less expensive than porcelain, and were normally used for lower-voltage applications. The oldest glass insulators date from about Many of the glasshouses that made insulators also produced bottles and other glassware. Clear glass was used with some exceptions primarily after about Hundreds of different styles were developed, and insulators are found with a wide variety of embossed names, patent dates, and other markings. Old photos from around the U. Some telephone poles such as in large cities carried as many as 20 or more crossarms, each one laden with six, 10 or 12 or even more insulators.

How to Make Glass (with Pictures)

Our mission is to produce world-class, cost-efficient products for customers all over the world. ABB has a long history of working with composite materials dating back to The present location was Open the catalogue to page 2 Design for reliable performance As a part of ABB, we know the requirements of high voltage applications and the essence of being a reliable business partner with the highest quality standards.

All composite insulators are tested and certified according to IEC

This section provides a list of antique bottle collectors who have graciously agreed to offer advice in their area of interest. This does not imply the person is an expert in the area listed, just that they are knowledgeable and willing/motivated to field questions in that area. When asking a .

Basic Information on the NIA The National Insulator Association, A c3 charitable organization , is an international organization of collectors and friends interested in communication and electrical insulators, as well as other artifacts connected with insulators, such as telephone, telegraph, power transmission, railroads, and lightning protection devices. The NIA also has a strong focus on research and education on insulators, the companies that used them, and the companies that made them dating back to the mid ‘s.

In the first year of its operation, more than charter members joined its ranks. Since then, annual paid membership has averaged members. In all, the NIA has had more than total members. Objectives and Purpose The NIA, as stated in its By-Laws , is a non-profit educational and scientific organization; its aim is to encourage insulator collecting and to protect the interests of its members and collectors, and has established standards and ethics by which its members may fairly deal with each other.


Click here to move directly to the list of machine-made dating questions. Machine-made bottles will exhibit most or all of the diagnostic characteristics explained and illustrated below. It should be noted that features 1, 3, 4, 5, and 6 are primary indicators of machine-made manufacture.

Dec 22,  · A–Write glass insulator dealer and appraiser Jim Crandall, Prospect Ave., Des Plaines ; Incidentally, Joan Crandall, Jim`s .

Learn everything about building construction. At first thought to possess magical properties, glass has come a long way. It is one of the most versatile and oldest materials in the building industry. From its humble beginnings as a window pane in luxury houses of Pompeii to sophisticated structural members in new age buildings, its role in architecture has evolved over the years.

Glass blowing was discovered in the 1st century in Europe, this revolutionized the glass making industry. The technique spread throughout the Roman Empire. Production of Clear glass, by introduction of manganese dioxide, saw glass being used for architectural purposes. Cast glass windows began to appear in the most important buildings and villas in Rome and Pompeii. Over the next 1, years glass making spread through all of Europe and Middle East.

In 7th century Anglo Saxon glass was used in churches and cathedrals By 11th century sheet glass was made by the crown glass process. In this process, the glassblower would spin molten glass at the end of a rod until it flattened into a disk.

Walt and Susan’s Antiques

Thank you very much!! Please see next entry. Maryland Glass Corporation, Baltimore, Maryland c. Mosser Glass Company, Cambridge, Ohio to date. Thanks to Ken Previtali for the information on the ginger ale bottle!

Fred M. Locke. His First Insulators. Go to Main Page. During the winter of , Fred was employed as a relief telegrapher jointly by the New York Central and Hudson River Railroad and the Pennsylvania Railroad Companies at Canandaigua, NY.

Antique Bottle Questions This section provides a list of antique bottle collectors who have graciously agreed to offer advice in their area of interest. When asking a question, remember to provide: Exact wording embossed i. Color of the bottle e. For help, see Antique Bottle Colors. Height of the bottle. There is also a variety called 3PM 3 Piece Mold , which dates to the s and before. Style of top on the bottle e. For help, see Antique Bottle Tops. If bottle has a closure, describe that too.

For help, see Antique Bottle Closures. Style of base e. Condition is important if you are requesting an appraisal.

Antique Bottle Questions

When its beauty noticed, It becomes a jewel. That’s a nice poem Jim. I couldn’t find any matches for the embossing on the bottle bottom. There seems to be more there than just the “G-A-O C? It does appear to be a soda bottle bottom though. Maybe one in the community recognizes it and can comment on the Journal’s Facebook page link below.

A GLASS MENAGERIE – Anatomy of the Hemingray Factory Dumpsite by Roger O. Lucas. Reprinted from “Crown Jewels of the Wire”, August , page One of the most fascinating aspects of digging the Hemingray factory site in Muncie that my “amateur industrial archaeologist” friends Darin Cochran, Bob Stahr and I have experienced is of the layers of soil, sand, glass, bricks and other objects.

Hemingray was the world largest manufacture of glass insulators. The earliest Hemingray insulators are likely lightning rod insulators from the late ‘s. The last Hemingray insulator was made in They continued to produce insulators a full 30 years from this date, the scale of their manufacture is quite impressive, even by modern standards. Little is known about Hemingray manufacturing of threadless insulators.

They most likely made several styles, but more research is needed to prove this. On style we know of is the CD

Machine Made Dating

Bright, sparkling glass with nice clarity and richness. An amazing color for a threadless insulator, and especially impressive in a large, pilgrim hat style! Another amazing color for a large pilgrim hat style insulator! Typically the large and threadless hats are encountered in darker colors, sometimes approaching black glass. This is an exception, having color density at a level which allows light to pass freely through most of the insulator in a window on a cloudy day.

Glass building blocks, a major item made for many years, was discontinued in March of and production of insulators was discontinued in although the factory continued to produce television face-plates until closing permanently in

That was the date when John Mason received his patent for the threaded screw-type. Has pat date on bottom. Ball mason jars are a type of home canning jar made by the Ball Corporation. The company started making mason jars back in. Here is a site that is great for dating your Ball jars just copy and past it into the. Ball Perfect Mason jars – summary, info antique glass canning fruit jars information history. The very first versions with this embossing are believed to date from.

I also have a number of Presto jars and the old glass insert-type two-piece lids. Another concurrent method of sealing also included wax poured over a glass jar by the home canner. These jars date to the s and remained popular. Dating old presto canning jars. World is a part of the byron beach resort will allow you to conexaopublica. Old canning jars are popular among collectors for their lovely colors, interesting shapes and the nostalgic memories they evoke.

Antique Bottle Collector’s Haven

Whitall entered the business in partnership with G. Haverstick and William Scattergood. Whitall Tatum produced very large quantities of bottles and fruit jars throughout much of the mid- and late 19th century. Pharmacy, druggist, barber, perfume, chemical and other types of bottles in various colors and styles were produced, and some of them are now avidly sought by antique bottle collectors.

Experience in Colombia with Composite Insulators. Although incorporation of this technology is fairly recent – dating back only to – it is estimated that about 22 per cent of all insulators now installed on ISA’s Colombian network are composite type.

Although best known for their electrical insulators, Hemingray also produced many other glass items, including bottles, fruit jars, pressed glass dishes, tumblers, battery jars, fishbowls, lantern globes, oil lamps, and much, much more. Hemingray began as a small operation in Cincinnati in The exact year when actual insulator production ended at the Covington site is still undetermined, but it was likely sometime in the period. The Covington factory also re-opened for a short time in the period.

The business offices remained at Covington until , at which time all operation was moved to Muncie. Date codes were embossed on most insulators made after , and the majority but certainly not all of post production was made in clear colorless or off-clear glass. The very last glass insulators made were produced at the Indiana Glass Company factory located in Dunkirk, Indiana, using molds that had been moved from Muncie to that location. Lightning rod insulators, and various sizes of spool insulators were also made.

The earliest Hemingray s have sharp drip points, which are believed to have been phased out approximately or The transition to off-clear glass began approximately Typically, the first number before the dash represents the mold number, the second number s , after the dash, indicates the year the mold itself was made.

However, not all 42s have this type of date code, especially some of the earlier units dating between


Pin insulator Insulator of a telephone transmission line A pin insulator consists of a non-conducting material such as porcelain, glass, plastic, polymer, or wood that is formed into a shape that will isolate a wire from a physical support or “pin” on a telegraph , utility pole or other structure, providing a means to hold the insulator to the pin and secure the conductor to the insulator. Unlike a strain insulator , the pin insulator is directly connected to the supporting pole.

Pin insulators were utilized before , pre-dating the strain insulator. Production of pin insulators is continued today by manufacturers worldwide. The pin insulator is designed to allow the conductor to be readily secured to avoid it coming adrift. The most common method is to use a wire to tie the conductor to the insulator.

Natural pain relief for sale by fay banks brings together people interested in cheshire to look for mineral bottles dating vintage glass insulators in ireland. Knockedcash. Com. Knockedcash. How much do online dating antique bottles: including rules: alum bay glass bottles. Hello, circa

The properties of form, appearance, and behaviour when mixed with metals are more like metals. Elasticity and general chemical behaviour are more like nonmetals. Electrical conductivity, band structure, ionization energy, electronegativity, and oxides are intermediate between the two. Common applications[ edit ] The focus of this section is on the recognised metalloids. Elements less often recognised as metalloids are ordinarily classified as either metals or nonmetals; some of these are included here for comparative purposes.

Metalloids are too brittle to have any structural uses in their pure forms. Also shown are two silver pellets. Writing early in the history of intermetallic compounds , the British metallurgist Cecil Desch observed that “certain non-metallic elements are capable of forming compounds of distinctly metallic character with metals, and these elements may therefore enter into the composition of alloys”.

He associated silicon, arsenic, and tellurium, in particular, with the alloy-forming elements. Among the lighter metalloids, alloys with transition metals are well-represented. Alloys of silicon with iron and with aluminium are widely used by the steel and automotive industries, respectively. Germanium forms many alloys, most importantly with the coinage metals. Arsenic can form alloys with metals, including platinum and copper ; [ ] it is also added to copper and its alloys to improve corrosion resistance [ ] and appears to confer the same benefit when added to magnesium.


The shop number importance 5. The CREB s are still my favorite as they have a crude, yet classic beehive shape, numerous shop number embossing variations, and like most Brookfield pieces a variety of embossing errors and glass impurities. I was further hooked when I discovered that these too were embossed with shop numbers. The final connection for me was that many of these had been and could still be found in my resident state Texas.

My research into their operation told me that their lines operated only as far west as St.

Hemingray insulators price guide keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. Search Domain. › glass insulators value.

Database Home Hemingray used mold letters, dome numbers, and even oddly placed periods in some of their earlier insulators to denote which mold an insulator was produced from. However, it wasn’t until , when Hemingray was purchased by Owens-Illinois, that they began embossing their insulators with specific mold and date codes. Many different codes were used over the years, and I will attempt to explain them all here in relative order. All known specimens are Ice Blue in color.

The “4” is believed to signify In this example, “12” is the mold number. Similar to the date code above, the “4” has been replaced with an “8”, presumably to signify A period would also be added after the “8” for each successive year the mold was used. In this version, they eliminated the “0” and simply put “38”, again aligned with the “N” in “Hemingray”.

A period would also be added after the “38” for each successive year the mold was used. In this version, there is only an “8”, this time aligned with the “G” in “Hemingray”. So far I have only seen this style of date code on the CD It’s possible this may be a modified version of Version B above with the “3” removed.

NorthStar Historical Bottle Club of MN guest speaker on Glass insulators