This is a pair of antique brass framed extending spectacles / sun glasses with folding arms and they date to around the late 1890's - early 1900's. The spectacles measure 5 1/4 inches across the front

 

W & L. E. Gurley 56"H Extension Leg Surveying Transit Tripod - 3-1/2 x 8 Threads W & L. E. Gurley Extension Leg Surveying Transit Tripod Height(approx.): 56"(extended), 36"(collapsed) Threadin

 

Inscribed on back is: Dr P B Rose 1984. Marked with makers name: BIRKS GF . On the front : CANADIAN MEDICAL ASSOCIATION SENIOR MEMBER - FOUNDED AD 1867 . Excellent condition, very clean, as found. No

 

In excellent, complete and intact condition. This Antiquarian Hardback Book is entitled: THE FORCES OF NATURE A POPULAR INTRODUCTION TO THE STUDY OF PHYSICAL PHENOMENA TRANSLATED FROM THE FRENCH BY MR

 

Thiourea is also known as thiocarbamide. White, lustrous crystals with a density of 1.4 and a melting point of 180 degrees Celsius. Soluble in cold water. It's uses include - photography (removing sta

 

NICE OLD BUTTERFLY MINERS LAMP ONLY SHOWING LIGHT WEAR FROM USE THIS ONE STANDS ABOUT 5 INCHES TALL TO THE TOP OF THE REFLECTOR THE BODY IS ABOUT 2-1/4 INCHES DIAMETER CLICK ON ENLARGED PICTURES FOR A

 

WORKSHOP RECEIPTS FOR THE USE OF MANUFACTURERS MECHANICS & SCIENTIFIC AMATEURS by ERNEST SPON 1885. FIRST SERIES. COMPLETE AND INTACT OF ALL ITS PAGES PLEASE NOTE: I also have the SECOND, THIRD, F

 

Early Low Vein MSA Comfo-Cap with nice Tiger Striping and original liner/lacing. You can see where the MSA sticker that told the size was on the underside of the helmet, but it's no longer there. So t

 

Awesome vintage 'Pixie' kaleidoscope De Luxe Model with snap in heads "to create billions of beautiful designs (one is broken however you could probably put some of you own beads in there and use it)

 

A lot of three vintage dental medical suppl.: GUTTAPERCHA - two from Bulgaria and one from Germany from the 1950's with the original content. For more information, please see the pictures.