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Your guide to antique pottery marks, porcelain marks and china marks Antique Minton Marks Dating Minton Porcelain and Pottery using antique Minton Marks Minton from and during its nearly two hundred year history, has been a very important Stoke firm that has traded under various styles. After Herbert Mintons death in the Minton name continued as the Company name but no Minton family member has been connected with the firm since. Minton, Poulson and Pounall c Minton Poulson and Co c Minton and Poulson c Thomas Minton and Sons c

Piano Serial Numbers

Share 13 shares Last month, L’Oreal launched a smart hairbrush that contains a microphone which listens to the sound of brushing to determine the quality of your hair, and suggests customised products based on the results. The brush was designed after research found that forceful hair brushing can cause hair damage, including breakage and split ends.

To minimise this damage, the brush has multiple sensors that provide information on the quality of hair and brushing patterns.

Flasks, similar to the one above, dated , have both an iink stamped “M” inside a circle as shown immediately above, or just an impressed “M”.

Don’t worry — your e-mail address is totally secure. I promise to use it only to send you Clock Collecting Tips. There are so many styles and types of clocks, made by so many clock makers and from so many countries, that I was totally lost. Over many years, I have learned a lot. I have concentrated on the American clock companies for my collection, so there is much for me to learn about clocks from outside the US. The question I get most from the comment form on this web site is: Some people will see a clock at an antique store that would look good in a certain room of their house, and end up with it that way.

However you might end up with your special clock, you probably would like to identify, date and generally learn more about it. This clock forum page may be able to help. You can post your clock here for other visitors to see. If these visitors have knowledge of your clock, they can post comments about it here.

Is your online Date asking for a Dating pass ID or hookup clearance? READ THIS FIRST!

The “A” stands for “Ajustable truss rod. A new series of numbers was started in February, What years was the flower pot headstock inlay available on the Tubaphone style 3, 5 string banjo? Roughly to , the last serial number seen was

Links to other pages on this site about Evershed and Vignoles: Evershed and Vignoles time line find out how old your meter might be E&V publication detailing product line text file A large file of the above including illustrations This is a 24MB PDF file of a scanned copy.. Sources and acknowledgments.

Originally they were not an item issued to every officer but were kept for special operations and situations. These early whistles are not identifiable as they did not have any special markings. They would have been round pea and Beaufort whistles; the latter is a conical shape. From the s some forces began to equip all officers. The Metropolitan Police issued a few whistles in but they were little used.

However, when used they proved to be ideal. Manchester City Police was supplied with the GSW in the early s and one of their whistles was employed later in tests by the Metropolitan Police when they were investigating the feasibility of replacing the rattle with the whistle. Part of their investigations included asking the views of twenty constables each with a considerable length of service.

Fifteen preferred the whistle as the rattle was seldom used, being cumbersome and awkward to get out of the pocket. A regulation rattle competed against a Manchester City Police whistle. The official tests showed that the rattle could be heard faintly at yards and not at all at yards. The whistle could be clearly heard at yards but was ill-defined at yards. The Metropolitan Police decided to go ahead and advertisments were placed in the press inviting whistle manufacturers to submit models.

Royal Typewriter Serial Numbers

Impressed, moulded or incised marks on stoneware and terracotta products, c. Impressed or printed marks on plain brown- and cream-glazed stoneware c. Also found impressed on some of the earliest Doulton Ware with simple incised decoration After the word ‘England’ was added. There are several minor variations of this impressed or printed mark, used on plain brown-and cream-glazed stoneware c.

George Tinworth, who always regarded Henry Doulton as his patron used these names, roughly incised, on many of his panels and plaques.

Dating Browning Firearms Post Manufacture. This dating system is for Browning firearms manufactured after Most early Browning serial numbers contained no date or model information and can not be dated using this system.

The New Family machine would later become known as the Singer 12 and was manufactured in enormous numbers with production eventually ending with a small batch of machines being commissioned in So successful was the design it was copied by almost every other sewing machine manufacturer. It is a transverse shuttle machine using a “boat” type shuttle. A series of minor modifications were made to the machine during its long production run, the most notable was to the tension adjustment which was changed from a thumb screw on the face-plate to the top of the needle head – alongside the presser and needle bars c The machine was produced both as a hand crank and a treadle machine with various styles of cabinet work available.

The Singer New Family machine was produced with several different styles of decal including one incorporating Mother of Pearl. The Singer company did not name these decal patterns and over the years collectors have given them various descriptive names.

Pattern Dates

There are a number of methods by which a rifle can be dated, or at least bracketed between certain years of manufacture. For the latter, dates of introduction of military arms can be located within the Government “List of Changes” LoCs as can dates of obsolescence and of modification or upgrade to later marks. You may not necessarily find specific date information within the text of particular pages, but often the images of advertisements or catalogue entries contain some dating ‘give-away’, such as the year in which a particular rifle achieved a notable competition score by someone, but which data is in graphic format and therefore not “searchable” by a text search engine.

Rickenbacker serial numbers are the easiest way to find the year for a particular instrument. to serial numbers. Serial numbers on these early models are unreliable. Some dating can be done by patent numbers printed on the guitar. This would be the earliest possible date of the instrument.

Rickenbacker was the first company to successfully market electric guitars. The most interesting Rickenbackers are the hollowbody models. In particular, the to pre-June models with the old style squared edge body shape, “stove” or “TV” knobs, and gold pickguard are the most interesting to me personally. The marketplace has a different idea though – The newer and later hollowbody models with checked binding and sparkle fingerboard inlays are collectible, because of their association with the Beatles, Byrds, and other ‘s super groups though personally I don’t really enjoy these newer models.

The “export” models are also collectible. For the most part, solidbody Rickenbacker guitars are pretty low on the social guitar ladder.

How to Determine a Manufacture Date For A Kodak Brownie Camera

Hallmarks and other markings 4. Date codes on Parker Pens Updated Oct In mid Parker began marking most pens and pencils with a date code, both the barrel and the nibs were marked, but lacking a date code doesn’t necessarily mean that the pen was made pre , since many imprints have been worn off with use. The first date codes, found for example on the Vacumatics, consists of two digits, the first one denoting the quarter of production, the second denoting the production year.

Hence a “47” marking on a ‘s pen indicate that the pen was produced in the fourth quarter of , not , which is a common misconception.

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We are not responsible for links to external sites Pattern Dates Identifying and dating Maling isn’t as easy as it could be. For the first 50 years or so, pieces carry no mark, so identification is a matter of conjecture. Pieces begin to carry a ‘Maling’ mark from around , when the factory moved to Newcastle, but there are still no pattern numbers and only occasionally a pattern name.

A coherent system of numbering and naming patterns was introduced in the s. Pattern numbers are hand-painted. Pattern names where found are incorporated into the transfer-printed factory mark. In the following 80 years or so, Maling produced over 16, patterns. When the factory closed in , the pattern books were sold off as scrap paper! If you’re lucky, you may find small numbers impressed into the base of the piece in mm. BIG numbers are pattern shapes, or occasionally the size in inches.

Otherwise, the following information should help you to date your pieces of Maling. A list of painted pattern numbers used by the factory, with approximate dates; A table which should help you to date pieces which carry a Registered Number.

Manual of Patent Practice

A guide on finding British patents from the period This guide will help researchers understand and use that part of the collection which covers the period to A detailed list of all the British documents we have for this period is also available.

Singer Serial Numbers: The list starts with the USA made , then the UK made K, and finally the UK made K. For a complete production record file format of all available Singer machines by the serial number prefix, please look towards the bottom LEFT side of this webpage for the prefix file you need, then click on the tab to.

If your number is higher, but less than the number for the next year, then your item had it’s design registered during that year. In July the numbering sequence changed as indicated on the chart. The last number issued in July was and began again In August starting with number To give an example using the number above the chart, Rd means: Design of your item was registered during The Public Record office and the British Government tend to enforce these marks and registration numbers.

Companies located outside the UK who have reproduced items, and tried to use a facsimile of the marks or numbering system have been sued, and have had sanctions imposed against them. This tends to protect the use of these marks, and in general restricts them to use on pieces made in the UK. This protects both collectors and the companies who registered the marks. Their help, and permission to use the data, is certainly appreciated.

For more information you can write either of the following addresses, depending on the year your mark was registered: Registered after and in

Numbers on the bottoms of glass bottles and jars

When did it all start? The Smiths group plc claim an ancestry dating back to when a Samuel Smith had a shop in Newington Causeway, London. See the ” origins ” file for detail of the company development. Earliest Date for a “Smiths Clock”. The earliest date possible for one of the mass production clocks commonly referred to as a “Smiths” is when “Smiths English Clocks Ltd” was formed.

The name on the movement case or cover gives a useful date indication.

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This was one of the factors which led to the birth of the term ‘Electrical Engineer’ as opposed to Civil or Mechanical engineers. In the Society of Telegraph Engineers and of Electricians was founded and published some rules in [see below]. In Joseph Swan started his own company, Swan Electric Light Co, and began commercial production of filament lamps and within a few years the popularity of electric lighting soared.

Rules and Regulations for the Prevention of Fire Risks Arising from Electrical Lighting “THESE rules and regulations are drawn up for the reduction to a minimum, in the case of electric lighting, of those risks of fire which are inherent in every system of artificial illumination, and also for the guidance and instruction of those who have, or who contemplate having, electric lighting apparatus installed on their premises.

The difficulties that beset the electrical engineer are chiefly internal and invisible, and they can only be effectually guarded against by “testing,” or probing with electric currents. They depend chiefly on leakage, undue resistance in the conductor, and bad joints, which lead to waste of energy and the dangerous production of heat.

It was on the latter in particular high resistance or ‘leakage’ that Evershed and Vignoles concentrated and for which they became famous. Leakage The resistance [commonly called insulation resistance] between current carrying conductors, or from live conductors to earth, will result in a leakage current. This current could cause deterioration of the insulating material, as well as involving a waste of energy.

A leakage path to a conducting surface could expose people to an electric shock. In the case of telegraph or telephone lines it would result in signal attenuation. Insulation resistance is normally several orders of magnitude greater than that of the conductors carrying the electrical current.

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Substantive examination and grant or refusal of patent Section Substantive examination and grant or refusal of patent Sections Substantive examination and grant or refusal of patent Time limits and other provisions relating to these matters are prescribed in rr.

Any Rolls razor without a Greek key design is a rarer “early” razor. In prime, unused condition, gold- or silver-plated sets could be worth twice what they sold for at retail. In prime, unused condition, gold- or silver-plated sets could be worth twice what they sold for at retail.

Viscount Model Rolls razor in simulated leather case circa s. It seems that no one could bear to throw away a Rolls Razor. That must be why there are so many of these British made safety razors still around. There were 25 for sale on the eBay auction the last time we checked. These razors are sometimes described as made by the Rolls-Royce company. Not so, but the name was undoubtedly chosen to evoke the “Rolls” image of luxury and quality.

The Rolls “The Whetter” trademark was registered in the U. The name “Rolls Razor Ltd. The razor was still manufactured and sold in the s. Several models have been made. Pre and gold plated models seem to be the rarest.

How to Apply for a Patent