This is a lightly used Brunton International Pocket Transit Survey Compass. The international feature means it is able to be used in both hemispheres, unlike the regular pocket transit. I bought this

 

This is an older medical display model from Ortho McNeil. It shows Osteoarthritis hip on one side and a Total hip on the other. Stands about 8" tall and has the colored information in the middle. See

 

whirlycat Store ANTIQUE CHART/MAP NAVIGATION DIVIDERS in HAND STITCHED LEATHER CASE

 

i000000 Vintage Medical Surgical Double End Instrument Tool by HAWKINS of London Click Images to Enlarge You are bidding on a nice example of a vintage Double Ended Medical Surgical Instrument by Hawk

 

Vintage K&E Keuffel & Esser N4053-3 Mannheim Polyphase 10" Slide Rule w/case K&E Keuffel & Esser N4053-3 Mannheim Polyphase Slide Rule, Leather Case 10" Wood This auction is for a vint

 

Appears to have have been used! Purchased at an estate sale in a plastic bag. The bag is split on the side BUT everything in it seems unused. Fullerton Circular Slide rule 1450. Please see pics for co

 

If you need to draw polygons in circles or divide lines for any reason, then these are for you! The item is a set of proportional dividers. They come in their original case with instructions and are i

 

Superb Cased SKALA 7 1/2" Plated Brass Proportional Dividers vgc Od Tool Click Images to Enlarge You are bidding on a superb example of a vintage Cased Pair of 7 1/2" Plated Brass & Steel Proporti

 

For Sale Lot of 4 different slide rulers with 1 manual. All rulers are used case show some wear, rulers are in great shape no marks and slide freely. Dietzgen #1767 Pickett#160 Frederick Post #1460 Fr

 

This Compass set has been mine for 20+ years and served me well. Now its time to pass it on to the next Owner.