Theodolite- is a precision instrument for measuring angles in the horizontal and vertical planes. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes

 

THE CHIROPRACTOR'S ADJUSTER BY D.D.PALMER 1910 Portland Printing House Co. January 1966 1007 pages. This book is in excellent shape. 9/10. One very slight water mark on back inside binding, note the p

 

Two slide boxes from the collections of R.S.Bagnall (https://en.wikipedia.org/wiki/Richard_Siddoway_Bagnall) Very nice condition for age, hinges and clasps perfectly sound, some slight scuffing to cor

 

Up for auction is this Vintage BD Flatype Fever Thermometer New in Box with plastic thermometer holder and original paperwork.

 

This handsome brass barometer is wrapped in a brass snake and sits on a marble base. The face is porcelain with elaborate lettering. The base measures 7 3/4" wide, 2 1/2" wide and 5/8" high - unfortun

 

Rare Antique Yellow Tinted Glass Horn Cased Folding Lens Loupe Click the photographs to enlarge. Colours may differ due to any flash used. I combine lots so please wait for my invoice BEFORE you pay.

 

The Gerber is still in the wrapper and presumed new The Pickett is in a lovely creamy leather case and is in excellent condition Get your bids on for these pre computer geek tools.

 

THIS IS A FABER-CASTELL 52/82 D-STAB DUPLEX SLIDE RULE, NOTE: IS USED, BUT IN LIKE NEW CONDITION!

 

12 ANTIQUE OLD VINTAGE DRAWING INSTRUMENTS. HELD IN A WELL WORN 7 1/2" X 4 3/4" RED LEATHERETTE CASE, ARE, 2 PENS, 1 X 6 1/8" COMPASS WITH PENCIL / INK LEGS., 1 X 5" DIVIDERS. 2 X 2, 3 1/2" -3 1/2" CO

 

Rare, out of print 1968 edition of Richard Goldthwaits "Surficial Geology of the Wolfesboro-Winnipesaukee Area New Hampshire" This 60 page booklet is in near mint condition, with no rips folds tearing