Bruning Model 2700 Drafting Machine Charles Bruning Drafting Machine with 2 Scales (12" & 18") - 2711T Style D - 10 Grads./Inch Good Condition - Model 2700a - Length 24" x 30" - Serial NO 90652305

 

On offer for auction is this Vintage Instructional Bandage St John Ambulance Arm Sling First Aid St John Ambulance instructional triangular cloth bandage. St John Ambulance is a volunteer-led organiza

 

Miniature Tesla Coil / Oudin Resonator Powered from a 3500V 8mA transformer (12) 690 PF Doorknob Caps for .00828 mfd Antique Self-Cooled Tungsten Spark Gap 1" copper ribbon primary coil 3 5/8" diamete

 

THis vintage slide rule has been kept in it's box since new. It works perfectly. As the photographs show there is some yellowing of the palstic which does not detract from its purpose. Ships promptly

 

Vintage McAllister & Brother Brass Microscope with wooden case. Posted with eBay Mobile

 

This old name badge was given to geologists and engineers who attended the GEOLOGORUM CONVENTUS MENTE ET MALLEO in Mexico in 1956. The part shown in the second photo with the blue enamel is sterling s

 

SELLING AS SHOWN THIS VINTAGE BAROMETER THAT'S SHAPE IS A NAUTICAL SHIP WHEEL...MADE IN WESTERN GERMANY...11" DIAMETER... PLEASE LOOK AT MY OTHER AUCTIONS AND EMAIL ANY QUESTIONS YOU MAY HAVE....FROM

 

The following auction is for a Vintage Bausch & Lomb Optical Co. Microscope – Rochester, NY – 07665. · Approximately 12 ½ “ High · 3 lenses o Bausch & Lomb Optical Co., 16 mm 0.25 N.A

 

Vintage, Eugene Dietzgen Company Drafting Tool Set 12 pieces. Tools are in good condition but the 3 compass/calipers do have some rust. The case is cracked and well worn due to age. This would make a

 

Presented is a fantastic vintage bamboo slide rule. This is a "Sun" Hemmi's Bamboo Slide Rule, likely dating back to the 1950's or earlier. The slide rule is still in its original cardboard box, altho