This page focuses on the early oscillators made in the 1940s. The labeling on the panel would have been engraved without being filled with paint. I will update this list as I obtain refinements. The year of manufacture will appear in the middle of the number as four consecutive digits. While every effort has been made to ensure that the information provided on serial numbers and dates of manufacture are accurate, records on early production models such as the Auto-5 and Superposed shotguns were not included due to the complexity of numbers, models and grades offered. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc.
Manuals are reproduced with permission of Agilent Technologies. Hi: Your notebook was manufactured in 2010 during the 10th week of the year. Get answers and train to solve all your tech problems - anytime, anywhere. As best I can determine, serial numbers started with 1 and ran consecutively until the last unit. This helps the technician get an idea of what type of replacement components will be required. Give a programmer the correct code and he can do his work for a day.
Which ever way, your machine is around 15 or 16 years old. So they only give you a single digit for the year. If you purchased your computer new, look for the year you purchased it. Here is another example of a pre-1946 logo engraved and paint filled. The capacitors to the right were originally part of the unit but all had failed. The date displayed in the menu will give you an approximation of the manufacture date.
The unit on the right is believe to have been made around 1954. However, this style is found on instruments known to be made after 1946. A close-up of the label is shown below. Subscribe to our eNewsletter with daily, weekly or monthly updates: , , , , , and. Stand Out as the employee with proven skills. I think they just assume you wont be messing with a computer more than 10 years old. This is the newer style rectangular enclosure used after the mid 1940s and features one-piece corners.
. If your business requires you to travel frequently, it's likely that you do a lot of work from your laptop computer. Expert: Mathew Pierce Filmmaker: Paula Pierce Series Description: There is practically no limit to the number of different ways in which a computer will truly make your life easier. The labeling for early units circa 1941 would have been engraved on the panel without being filled with paint. This style was used with minor variations until 196x. This unit has a serial number of 187 and is the oldest unit I know of.
If a common hardware problem plagues computers manufactured during a specific time span, finding the date can help the technician expedite your repair, getting the computer back into service to help avoid any office productivity loss. The output binding posts were the 10 style. It is believed that this metalic label was only used in 1941. The early oscillators made between 1939 and circa 1941 could either have a rounded corner case or a rack-mount case. The output binding posts would have been what I call the original style I know of a possible older style but have not been able to confirm that. Also, there have been unique limited edition models that did not follow our regular serial number configurations and they are not included in this listing. Note that this unit uses the new 10C and 10D binding posts.
Oscillators made between circa 1941 and circa 1943 would have the old style rectangular case with corner brackets. I am also asking people who visit this site and have a vintage instrument to send me information as described on the pages. Teach a programmer to debug and he can do his work for a lifetime - by Chirag Gude I hereby grant any person the right to use any code I post, that I am the original author of, on the autoitscript. This is the old style rectangular enclosure used in the early 1940s and uses corner brackets. Here are some crude serial number data I have been able to acquire. Instead, it represents the date of the last production change that affects form, fit, or function, or for other modifications such as firmware version changes.
The labeling for the controls was printed on the round mounting plates. Edge Out The Competition for your dream job with proven skills and certifications. Look for the year of manufacture amongst the various letters and numbers. So on this section of the web site I will offer information that may help. The output binding posts would have been what I call the original style. To find out about your gun's serial number simply click on your firearm.
Here is another pre 1946 style of label on one of my oscillators with the contrasting extensions of the 'h' and 'p'. Oscillators made between circa 1943 and 1945 would have the old style rectangular case with corner brackets. I have seen very few instruments with metallic labels like this one. Although this logo style was only used prior to 1946 there are some exceptions -- see below on equipment labels, the style was continued well into the 1950s on printed manuals. The key feature to note is the contrasting extensions of the 'h' and 'p' outside of the circle. The contrasting extensions would be changed to non-contrasting in 1946 to simplify engraving. After a lot of effort and considerable clean up the unit now works like new.
There was only a name plate with Hewlett Packard on it -- see the example below. Year 200A 200B 200C 1939 to 1941 prototype — 3428 1942 3429-4975 1943 4482-6860 1944 7425-11156 1945 11302-13366 1946 13417-14784 1947 14865-16443 1948 17770-19077 1949 19378-20398 Some text and images are Copyright © 2006-2018 by of. Move Your Career Forward with certification training in the latest technologies. The labeling for the controls would have been printed on the round mounting plates. Record the first number of the serial number. Separation Science offers free learning from the experts covering methods, applications, webinars, eSeminars, videos, tutorials for users of liquid chromatography, gas chromatography, mass spectrometry, sample preparation and related analytical techniques.