A Stuart Distance Meter Stuarts Marine Distance Meter,this is a great instrument which could still be used today, this attests to its engineering and craftsmanship. The instrument works in principle i

 

Devils, Drugs, and Doctors. The story of the healing from Medicine-man to Doctor. By Howard W.Haggard, M.D. Copyright 1929. The book is in very good condition for its age. The Spine cover has tape on

 

Up for auction is a 1807 copper engraving of Bertuch's meteors. I picked this up quite some time ago and any information I knew about it back then, I have sadly forgotten since. It is an original and

 

What you have is a pair of Lemaire Ft Paris Opera Glasses with mother of pearl and K 53900 Pat.95 1 May Engraved . These have the approriate makers marks to distingiush that they are real. The mother

 

There is one of these instruments in the British Science Museum, to whom I am indebted for the information which follows.It was invented in 1890 by one Doctor Gerald Joseph Macaura, who patented it (N

 

3 Antique Civil War Era Tooth Extraction Pliers Old Dental Tools c1800s Description: This is one lot of three Civil War era tooth extraction dental pliers dating, I would guess, to the mid to late 180

 

c. 19th SWIFT HORIZONTAL MICROSCOPE (c.1900) English Old horizontal microscope made in the end of the 19th Century or the beginning of the 20th by J. Swift & Son. I have no idea what it was used f

 

This miner's oil wick lamp, from 100 years or more ago, has a stamping of "D" with "L" inside it - a well known mark. But under this is clearly stamped "KELTY" which I cannot find in any of the docume

 

Vintage E.G. Soltman Transit Level w/Hard Case and Tripod. Unit is in good used condition. The tripod does have tape on the leg to hold the piece together, please refer to pictures. The case is in goo

 

sushimonster Store VERY RARE EARLY 1912 A W FABER 361 W. H. HARLING ISSUED SLIDE RULE RULER BOXED