Here is a very-good-condition, vintage wooden slide rule from Keuffel & Esser Co. that comes with its original leather case. The slide rule measures about 10.5 in. long and features equivalents an

 

ANTIQUE MICROSCOPE SLIDE BY W.WATSON. EGGS OF PARASITE OF PIG. FROM THE J.G.BRADBURY COLLECTION. SEE IMAGES FOR CONDITION. EXCELLENT. IMPORTANT: AS FROM 2ND APRIL 2013 THE ROYAL MAIL HAVE DRAMATICALLY

 

Antique Rare c. 1956 - Faber Castell Slide Rule 62/83 The rare pocket version of the power rule With leather case In very good condition Made in Germany ______________________________ Please do not he

 

Up for auction a vintage American Optical Ophthalmoscope Set. Appears to be in excellent working condition (light tested). Item has wear/scratches commensurate with age. A great collector’s item! Th

 

Vintage veterinary thermometer in case. Case shows wear and the clip on the cap is rusted. Thermometer is glass and marked 6M1970 Ballo 5" H.D. Vet. Made in U.S.A. Thermometer is in great condition. C

 

A amazing vintage medical rubber stamp! Anatomy of a Frog! A must for your medical collection! Please view all pix, and feel free to ask questions . Will ship US only Posted with eBay Mobile

 

Vintage Princo pocket sling psychrometer in good working condition with all parts including leather case. Please message me with any questions. Posted with eBay Mobile

 

An old "Metallic Thermometer". Made by "W.G. Loveday" of Salem, Mass. It is 5" diameter. It is in very good condition. -A slight split in the bottom seam.-

 

Sans & StreiffeThis auction is for a Sans & Streiffe No. 310 Bamboo Slide Rule w/Case, Box, and ManualIt is in excellent gently used condition. The manual cover is torn and box has wear.No.310

 

The Watts Highway General Utility Level in original fitted box, it is in excellent condition and even includes the spanners and plumb bob, it has an inspection label in the box dated 1948, whether it