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jazzyvee
Senior Member
Username: jazzyvee

Post Number: 2499
Registered: 6-2002
Posted on Friday, July 08, 2011 - 11:16 pm:   Edit Post

This is an interesting read, showing the symptoms and toxic effects of certain woods. Some of them are woods I've seen used on Alembics.

http://www.dave-wilcox.com/Woodturning/toxics.aspx

Jazzyvee
murray
Member
Username: murray

Post Number: 58
Registered: 7-2007
Posted on Friday, July 08, 2011 - 11:57 pm:   Edit Post

Interesting read but I won't show it to a mate of mine who reads all the side-effects on medication he takes and then gets all the symptoms !!
jazzyvee
Senior Member
Username: jazzyvee

Post Number: 2500
Registered: 6-2002
Posted on Saturday, July 09, 2011 - 1:03 am:   Edit Post

Well if he has nice guitars you could show him the site and he may decide the guitars are too dangerous to use and give them all to you. :-)

jazzyvee
growlypants
New
Username: growlypants

Post Number: 5
Registered: 3-2011
Posted on Saturday, July 09, 2011 - 8:06 am:   Edit Post

Hey, I'm just glad "Superb Walnut" isn't listed!!
terryc
Senior Member
Username: terryc

Post Number: 1630
Registered: 11-2004
Posted on Sunday, July 10, 2011 - 7:17 am:   Edit Post

As I work in Occupational Health we monitor a couple of companies that re cycle wood.
As you can see it is the dust that causes the most problems as it is a respiratory irritant.
Anybody working in the lumber processing trade where sawing, sanding occurs should always wear the necessary protective equipment and be monitored by serial questionnaires and spirometry(lung function testing). Obviously once the wood is sealed it is no problem.
phylo
Intermediate Member
Username: phylo

Post Number: 146
Registered: 10-2005
Posted on Monday, July 11, 2011 - 11:06 am:   Edit Post

"Wenge Eye, Ski, Respiratory System irritant. Giddiness, Drowsiness, visual problems, stomach cramps. Sensitiser. Splinters go septic."

Hmmm, guess more reason to play my Wenge Epic. Not only giddiness, drowsiness and hallucinations, but I'll become a skier. Bonus.
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 404
Registered: 9-2009
Posted on Wednesday, September 07, 2011 - 10:11 pm:   Edit Post

Thank GOD for An African American named:

Garrett Morgan who invited the Respirator/Gas Mask.

Peace and Love,

Hal-
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 405
Registered: 9-2009
Posted on Wednesday, September 07, 2011 - 10:16 pm:   Edit Post

Just think of how many lives Garrett Morgan saved, and Billions of dollars in health care expenses?

Peace and Love,

Hal-
jacko
Senior Member
Username: jacko

Post Number: 3000
Registered: 10-2002
Posted on Thursday, September 08, 2011 - 4:44 am:   Edit Post

Nice try Hal, however, garret didn't come on the scene with his gas mask until 1914, well after the first patents for gas masks were filed. In point of fact, respirators in various forms have been in use since the times of the ancients. The greeks used primitive cloths, the German explorer - Alexander von humbold introduced respirators for miners in 1799 and the forerunner of the 'modern' gas mask was patented by lewis haslett in 1849.

Morgan's heroism using his own gas mask deserves a mention though and he's also supposedly the first African American to own an automobile.

(wikepedia is our friend)

graeme
hydrargyrum
Senior Member
Username: hydrargyrum

Post Number: 1048
Registered: 3-2004
Posted on Thursday, September 08, 2011 - 6:39 am:   Edit Post

Graeme,

Given your nationality I'm surprised you don't make mention of John Stenhouse.

"John Stenhouse, a Scottish chemist, was investigating the power of charcoal, in its various forms, to capture and hold large volumes of gas. He put his science to work in building one of the first respirators able to remove toxic gases from the air, paving the way for activated charcoal to become the most widely used filter for respirators. British physicist John Tyndall took Stenhouse's mask, added a filter of cotton wool saturated with lime, glycerin, and charcoal, and invented a 'fireman's respirator,' a hood that filtered smoke and gas from air, in 1871." http://en.wikipedia.org/wiki/Respirator

My work involves handling hazardous materials (solvents, explosives, biohazards, etc.), so I wear a full face air purifying respirator at least once a week.
jacko
Senior Member
Username: jacko

Post Number: 3001
Registered: 10-2002
Posted on Thursday, September 08, 2011 - 6:49 am:   Edit Post

Kevin. I'm actually an Englishman living up here under false pretences. Just don't tell my neighbours :-)

I figured by the time I got to Lewis Haslett i'd made my point. It's interesting that garret Mrogan doesn't get metioned in your lin for respirators but he does in the related Gas mask wiki.

graeme
hydrargyrum
Senior Member
Username: hydrargyrum

Post Number: 1050
Registered: 3-2004
Posted on Thursday, September 08, 2011 - 7:01 am:   Edit Post

Graeme, yet another wikipedia flaw revealed.

I'll not reveal the secrets regarding your origins if you won't hold mine against me. My family emigrated to the US from Aberdeeneshire in Scottland. We know little except that my ancestor worked on the Bell Rock Lighthouse. Some of my more distant cousins still have some of the original drawings for the structure.

http://www.bellrock.org.uk/
jacko
Senior Member
Username: jacko

Post Number: 3002
Registered: 10-2002
Posted on Thursday, September 08, 2011 - 7:07 am:   Edit Post

Interestingly (and going even further off topic) James taylor's family originate from the same area as yours kevin. Perhaps you are distantly related? Could be worth free tickets ;-)

Graeme
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 406
Registered: 9-2009
Posted on Thursday, September 08, 2011 - 7:54 am:   Edit Post

Garrett received the first US Patent for his gas mask invention in 1914.

My reference was American Patents, not Germany.

Also given the facts that Garrett's Parents were Black Slaves, Whites had a damn good head start...

Brother Garrett's still found it in his heart to survive/thrive in spite of... and built his invention to save people's lives anyway.

Garrett Morgan is a Hero.

Peace and Love,

Hal-
jacko
Senior Member
Username: jacko

Post Number: 3003
Registered: 10-2002
Posted on Thursday, September 08, 2011 - 8:10 am:   Edit Post

There's no denying that Morgan was a hero and well deserves your praise. However, his was not the first US patent for a respirator....

"The first US patent for an air purifying respirator was granted to Lewis P. Haslett in 1848 for his 'Haslett's Lung Protector,' which filtered dust from the air using one-way clapper valves and a filter made of moistened wool or a similar porous substance. Following Haslett, a long string of patents were issued for air purifying devices, including patents for the use of cotton fibers as a filtering medium, for charcoal and lime absorption of poisonous vapors, and for improvements on the eyepiece and eyepiece assembly. Hutson Hurd patented a cup-shaped mask in 1879 that became widespread in industrial use, and Hurd's H.S. Cover Company was still in business in the 1970s"

However, in the interests of fair play I can find no mention of Haslett in the USPTO website doing a simple search.

Graeme
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 407
Registered: 9-2009
Posted on Thursday, September 08, 2011 - 8:10 am:   Edit Post

Don't insult me with Garrett Morgan being the first to drive a car, and not mention his inventions of the Traffic Light/Signal.

Garrett inventions saved lives of all people, in spite of the bull sh_t racist rules held against him in all facets of American life.

Peace and Love,

Hal-
jacko
Senior Member
Username: jacko

Post Number: 3004
Registered: 10-2002
Posted on Thursday, September 08, 2011 - 8:19 am:   Edit Post

Hal. There's no insult intended. It was merely an observation based on commentary from the source I happened to be reading. In my opinion it's quite an interesting point.
Again you are being selective with your facts. According to all the sources I've read, Morgan's design for a traffic signal was never put into production ( - I'm happy to be proved wrong here) and the first traffic signal in america was designed by lester Wire in salt lake city in 1912.

peace and Love right back at you.

Graeme
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 408
Registered: 9-2009
Posted on Thursday, September 08, 2011 - 8:35 am:   Edit Post

Now you'd just copied my closing words too.

LMAO!

Peace and Love,

Hal-
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 409
Registered: 9-2009
Posted on Thursday, September 08, 2011 - 8:51 am:   Edit Post

Wrong again, I see...

Morgan's idea was in production everywhere.

http://www.fhwa.dot.gov/education/gamorgan.htm

Peace and Love,

Hal-
hydrargyrum
Senior Member
Username: hydrargyrum

Post Number: 1052
Registered: 3-2004
Posted on Thursday, September 08, 2011 - 9:18 am:   Edit Post

It seems that one of the earliest traffic lights (and to be clear, this faulty light was not the style patented by Morgan) had some failures as a "safety" device. :-)

"On December 10, 1868, the first traffic lights were installed outside the British Houses of Parliament in London, by the railway engineer J. P. Knight. They resembled railway signals of the time, with semaphore arms and red and green gas lamps for night use. The gas lantern was turned with a lever at its base so that the appropriate light faced traffic. Unfortunately, it exploded on 2 January 1869, injuring[3] or killing[4] the policeman who was operating it." http://en.wikipedia.org/wiki/Traffic_light
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 410
Registered: 9-2009
Posted on Thursday, September 08, 2011 - 11:09 am:   Edit Post

Question:

Under who's authority is this information deem correct?

Answer:

Wikipedia's validations, for it wouldn't be published, if it was not correct!

LMAO!

Peace and Love,

Hal-
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 411
Registered: 9-2009
Posted on Thursday, September 08, 2011 - 11:12 am:   Edit Post

You can't have it both ways...

Y'all playing games. I thank GOD I know better.

Peace and Love,

Hal-
jacko
Senior Member
Username: jacko

Post Number: 3005
Registered: 10-2002
Posted on Thursday, September 08, 2011 - 12:20 pm:   Edit Post

Hal. According to the link YOU posted, Garrett was not the first to INVENT a traffic signal, just the first (in the US) to patent such a device.

Going back to respirators, there are many 'Non-Wikepedia' authorities confirming that Lewis P Haslett was issued US patent no 6529 in 1849, some 63 years before Morgan's. (patent no 1113675 in 1912 for his firefighter's safety hood and patent no 1090936 in 1914 for his gas mask). However, I defy anyone to find any of these documents on the US patent office website.

Suffice to say, we're all very grateful to everyone who had a hand in producing these devices. I'm particularly pleased that recent developments allow me to use a canister based respirator to paint Isocyanates instead of having to hook up a full airfed breathing system.

Graeme
hydrargyrum
Senior Member
Username: hydrargyrum

Post Number: 1053
Registered: 3-2004
Posted on Thursday, September 08, 2011 - 12:21 pm:   Edit Post

I don't think anyone is trying to claim that Morgan wasn't a skilled inventor, but even the article you linked to states that he didn't invent the first traffic light, but rather he improved upon it. "Prior to Morgan's invention, most of the traffic signals in use featured only two positions: Stop and Go . . . The Morgan traffic signal was a T-shaped pole unit that featured three positions: Stop, Go and an all-directional stop position. The third position halted traffic in all directions before it allowed travel to resume on either of the intersection's perpendicular roads."


Wikipedia certainly needs to be approached with a certain amount of skepticism, but in this instance there are 36 references, and almost all of them have hyperlinks to view the original source material. Many of these are from foreign sources, and I can't imagine why they would care to fabricate such information.

**Edit: I think that Graeme and I must have posted within seconds of each other. Sorry for the nearly identical content.**

(Message edited by hydrargyrum on September 08, 2011)
toma_hawk01
Senior Member
Username: toma_hawk01

Post Number: 412
Registered: 9-2009
Posted on Thursday, September 08, 2011 - 12:49 pm:   Edit Post

LOL!!!!

You guys are funny as hell!!!

I needed a good laugh too!

I could always count on you two!
HAA HAAA!!!

Peace and Love,

Hal-
hydrargyrum
Senior Member
Username: hydrargyrum

Post Number: 1054
Registered: 3-2004
Posted on Thursday, September 08, 2011 - 12:58 pm:   Edit Post

The feeling is mutual Hal. :-)

Peace and Love,

Kevin
lbpesq
Senior Member
Username: lbpesq

Post Number: 4935
Registered: 7-2004
Posted on Thursday, September 08, 2011 - 1:54 pm:   Edit Post

From Starman:

Red means "stop"
Green means "go"
Yellow means "go very fast"

Bill, tgo
davehouck
Moderator
Username: davehouck

Post Number: 10368
Registered: 5-2002
Posted on Thursday, September 08, 2011 - 5:21 pm:   Edit Post

Bill; I thought that was a really cool movie; and the line about the stoplight very memorable. Thanks for that!

I think we all now know much more about the history of gas masks and stop lights than we did when we first awoke this morning. And given the somewhat "heated" nature of some portions of the discussion, I think it not unreasonable to suggest that we give these topics a bit of a rest, happy to have learned new things about the world we share.
jacko
Senior Member
Username: jacko

Post Number: 3006
Registered: 10-2002
Posted on Friday, September 09, 2011 - 1:40 am:   Edit Post

My apologies to all and especially to you Hal. No offence is ever intended.

Graeme

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