17 scales 12" long. Cursor and center slide bar move smoothly. No writing on slide rule or case. Front Scale K, A [ B, ST, T, S, C ] D, DI Back Scale DF [ CF, CIF, CI, C ] D, DI, L

 

Great barometer, thermometer, hygrometer in laminated wood frame with ships wheel design around the barometer. Made in West Germany, in great working condition!

 

Vintage Drafting SetPrazision Original Lotter Made in GermanyFull set, some rust on a couple of the pieces Bid with confidence! Positive Feedback and Fast shipping!!If you have any questions concernin

 

two new vintage reusable 10 cc's glass and metal syringe made in Bulgaria. in its original box and instructions for use. included are 10 new reusable metal hypodermic needles 0.5 x 25 in its original

 

gofishingup Store GOFISHINGUP GOFISHINGUP GOFISHINGUP GOFISHINGUP Up for auction is this vintage The SHERWOOD Combination Air Guide Barometer Instrument. Model No. 50. This barometer is in pretty dece

 

Absolutely superbly engineered scientific instrument dating back to late 19th Century, early 20th Century. Stainless steel of highest quality. Intricate, delicate and accurate. By opening the instrume

 

Most Worthy Chinese Antique Brass carved Kaleidoscopes with Dragon Size :18.5*4.2 cm Payment Paypal only,if you need others way please contact us first! Shipping USA: 12~15 days by Epacket; Canada: 15

 

This is a Plastic Scribing Instrument Set for the Corps of Engineers US Army from about 1945-52.It is made by the well know instrument maker of:Theo,Alteneder&Sons who made all kinds of drafting i

 

DIETZGEN SIGHT LEVEL EXCELLENT CONDITIONExcellent Original Condition in Original Case with some minor scratches on tube. (Please see all photos for condition)As found; has not been cleaned or tampered

 

Keuffel & Esser Paragon Transit No. 74 0005 Serial. 234362 High Transmission Coated Optics Tripod 3 1/2" x 8 Thread Box measures: 20"x10"x10" Don't know a whole lot about this piece but if you hav