CURTA MECHANICAL CALCULATOR HANDBOOK IN GREAT USED CONDITION AN AID TO EVERY DAY FIGURING PROBLEMS, TABLES, FORMULAS, AND ARITHMETICAL RULES. THIS BOOK IS 64 PAGES OF INFO THAT WILL TEACH YOU EVERYTHI

 

I remember my father using this when he worked in one of our local weaving sheds (in the days when they existed!!). It is a very nice piece-glass for viewing fabric faults. The item is manufactured fr

 

Fascinating scope. Dual axel rotating object drum. Spinner can be turned on one axis to change the colors and turned on the other axis to change patterns. 2 mirror 6 point system. Third side of mirror

 

bryant1951 Store 11 1/2" BOBBINSCOPE-KALEIDOSCOPE. THIS BOBBINSCOPE-KALEIDOSCOPE HAS THE ORIGINAL TAG ON IT WHICH DESCRIBES THE HISTORY OF THE OLD COTTEN MILL BOBBINS. THIS BOBBINSCOPE-KALEIDOSCOPE WA

 

iGaging Digital Compass + Divider 0-8" Digital Compass + 0-16" Digital Divider Item#35-CD28 · Precision Drawing & Marking Instrument· Large LCD, Reading in : Inch, Inch Fraction and Metric · Al

 

JOHN CASARTELLI SCALES MADE IN MANCHESTER ENGLAND BOXED OUNCES PER SQ YARD & GRAMMES PER SQ METRE PLEASE VIEW THE PICTURES FOR THE ITEM INVOLVED I HAVE NOT CLEANED THIS, THE MARKS ON THE FRONT WIL

 

Please read carefully the following report. The figures are an integral part of this description. Offered for auction is an antique (mid 19th century) very nice small brass pocket single microscope wi

 

It is 30 cm long and in very good condition. Shipping $ 8 outside europe $6 within europe .Registered mail cost $10 extra

 

Huge lot of medical items - mostly German 1930 to 1950.I you want more pics or info just ask. Erkameter - bloodpressure, Box Haemometer, many syringes 1cm 2cm (Made in Germany, pre 1940), Hypodermic n

 

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