Opening ENGINEERING Drawing Tools From The 1950s 

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In hongkong I found an old PRC made set from the 50's and it's honestly wonderful I bought it because I felt bad for it, it was "brand new" the little stationery shop I went into had been there since before my mother in law moved there, and they had never gotten rid of an unsold item found the drafting set among the old graph papers and stuff, and it has a solid 5mm of price stickers on it the cardboard box is faded, but the red and black box its in looks good as new honestly thought it might have been a fake reproduction one, until I realised the little plastic tube of leads is practically disintegrating with age and im pretty sure the leads contain an actual lead as they leave a surprisingly shiny line and have a white tarnish over them but the actual tools are beautifully made and feel great to use, my one gripe is that the compass grip isnt a reverse thread so it sometimes unscrews when I use it

I've got my grandfather's drafting instruments manufactured in the early 1940's pre war. I also have his machinist level, calipers, dividers, lead holders for 4h - HB, sharpener for leads, I use the lead holders,the dividers, weekly and other tools occasionally.

The reason you are making a mess with the technical pen is because you are using a FLAT EDGE RULE. Do not use a FLAT EDGE RULE. Either buy a raised rule for use with technical pens OR tape a penny under each end of the flat ruler t raise it up off the paper. This will stop the 'mess' you are making using the technical pen to draw lines.

The tool you said have no idea what is for, it’s for drawing very small circles, you were forcing it too much, close it the most you can, put a finger at the top of the movable part then with a little push move the part with the pencil and you will see a very tiny circle

i collect this stuff half off it is a mistery thats why i ended up at your vid my latest find was a flexible ruler to draw inregular lines people on the fleamarket teach me about the stuff lol atm im trying to find a dotted line drawing tool :)

That is a drop bow compass for making extremely small diameters.

Wow, it's my first time watching this channel, I must say I didn't expect such comedic genius here 😅 But where's the promised Victorian era tool set review?! Please, record it!

Buen día para todos. El instrumento se utiliza para dibujar pequeños circulas. Funciona perfecto. Es una herramienta de precisión de cuando se fabricaban de buen calidad y muy bien pensados. Son obras de arte e ingeniería aplicada para la precisión. Tengo un juego de la marca LOTER made in Germany. Very good quuality. Saludos para todos.

My Dad had a very similar if not the same set.

Used this in the late 90's at architecture school.

Thank you so much for this video! I found some old drafting tools that belonged to my late uncle and had NO IDEA what the technical pen was callled or what was its use, until I watched this.

It's a drop compass. It's for drawing small circles without slipping

I love the ASMR feel to this video.

There used to be a lot of virtually identical sets in Soviet times as late as the 90s. As engineering students, we were taught engineering drawing using such a set, along with rulers, triangles etc.

When using the ink box. You are using a rule that is in contact with the paper. That is wrong old wooden rules would have a brass or bronze blade that would be about .75mm or 32" above the page. You can flip modern Squares over for the same purpose.

Thank you for sharing 😆