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Pencil, old slide rule and scientific electronic calculator page with the calculations in progress
Close up detail of a log/log slide rule isolated on a black background.
Forensic signature analysis, fictitious signature on craft paper with markings, close-up
Graph paper textured background isolated
geometry drawing on page of old yellow book as background, algebra book as background
a beam chart from an antique machinery data book showing light beam performance dates 1903
a businessman's notebook with a zipper archiver and sheets in a ruler, isolate
notebook and school supplies on the table
Flicking Through Old Typescript Book Page Numbers Close-up
Graph paper background.
Calculator Paper Tape Rolled Up / Paper Roll of Numbers
IRS Income tax form 1955 tax table
This is an Chart from an old Navy manual (U.S. Government publications are copyright free) Rich paper texture and warm colors make this a nice background or decor print. Centered on a an area off the west coast of the United States it shows lines and numbers that tell a ships navigator where they are in any weather. Good naval or sailing illustration with the longitude on the top border.
Macro image of old scratched slide rule - an old mathematical tool for calculations from before the era of electronic calculators.
close up. figures on the financial chart .business background.
Engineering tolerance table
Close-Up Of Numbers In Book
Add-lister receipts and calculator.
geometry drawing on page of old yellow book as background, algebra book as background
Slide Rule on a mechanical drawing of a gear box.
Mathematical Tables Book with Lists of Numbers Showing Results of Calculation of Complex Functions Probe Lens
Open math notebook and yellow pen
glasses and a pen on a book
picture of book on table
abstract diagram similar to which is used for navigation on sea and air
gray cutting mat board background with line and scale measure guide pattern for object art design, tool equipment of diy craft work
(one of a serie) Macro picture of unorganized Paper Piles in soft diffuse light. This photo has been retouched for dust an small particles. Check these other images from this serie.
Abandoned creepy mineshaft in Belgium. Some pictures of an old mineshaft, which is being reconstructed into a museum.
green graph/grid paper background texture
Free Images: "bestof:Calc-long.JPG Calcul de la longitude The book La deuxième année de géographie writted by Pierre Foncin Of the photography April 16 2007 Of the photography"
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