Albert Nestler, a German firm, was also an OEM supplier to USA slide rule companies like Weber and Staedtler.



REF Nestler Mannhiem - Magnifying Cursor
Nestler Mannhiem - c1917
Made in Germany, English text
Front Scale
25cm // A [ B, C ] D || 10.75in
Back Scale
[ S, ST, T] Slide Rule Data Slips
Well Scale
21 inch depth scale
Donated by Marsha Boulton, UK. Used by her great grandfather, Thomas Boulton, who worked in the UK PORTSMOUTH DOCKYARD and was second in command as a shipwright from 1900 to 1946. Born around 1885? in Portsmouth and joined Portsmouth Dockyard as an apprentice 1903, achieving master shipwright 1917. During this time he undertook refurbishment of HMS Victory (Nelsons flagship and still the oldest commissioned warship in the World) and the Royal Yacht Britannia. Promoted to second in command in the historic Portsmouth dockyard and before WWII was designing and building warships including HMS Amphion in 1935. This was sold to the Aussies and sunk by the Japanese in 1942 having been renamed Canberra. Died in 1947 Marsha has two letters from the Admiralty, from 1944, thanking Thomas Boulton for his zeal in the war effort and commiserations to her great gran, the widow on his death.


S403 Nestler Mannhiem
Nestler Mannhiem (early - note screws on ends)
Made in Germany - c1930's - May have been a US brand
Front Scale
10in // A [ B, C ] D || 25cm
Back Scale
[ sin, L, tg ]
Multilined cursor
Back: Equivalents (in English)


S477 Albert Nestler A-G No9
Albert Nestler A-G No9
Made in Germany
Front Scale
K, A [ B, C ] D, L
Back Slider
29.3cm [ S, L, T ] 11-5/8in
Multilined cursor


P044 Nestler 11-ZE
Nestler 11-ZE - Electro Closed Simplex
Made in Germany - 10 scales
Front Scale
13cm // .1-.7 Cos, KW(A) [ PS(B), CI, C ] D, .7-.995 Cos
Back Slider
[ S, ref, T ]
3 lined cursor
Adv on Case: A.E.G.


P021 Nestler 11-ZM
Nestler 11-ZM - Closed simplex
Made in Germany
Front Scale
13cm // A [ B, C ] D
Back Slider
[ S, L, T ]
Multilined cursor
Back Adv: Ewald Friederichs.


P211 Nestler 11-ZR
Nestler 11-ZR - Closed simplex
Made in Germany
Front Scale (Note: no scale labels)
13cm // K, A [ B, CI, C ] D, L
Back Slider
[ S, S&T, T ]
Multilined cursor


P008 Nestler 0121
Nestler 0121 - Closed simplex
Made in Germany
Front Scale
13cm // P, K, A [ B, CI, C ] D, S, T
Back Slider
[ LL1, LL2, LL3 ]
Multilined cursor


P050 Nestler 0123 Rietz
Nestler 0123 Rietz - Closed simplex
Made in Germany
Front Scale
13cm // K, A [ B, CI, C ] D, L
Back Slider
[ S, ST, T ]
Multilined cursor


P145 Nestler Rietz S
Nestler Rietz S - Closed simplex
Made in Germany
Front Scale
13cm // K, A [ B, CI, C ] D, L
Back Slider
[ S, ST, T ]
Multilined cursor


P131 Nestler Polymath Pocket Duplex
Nestler Polymath Pocket Duplex
Made in Germany - 22 scales
Front Scale
LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1
Rear Scale
CT, T, ST, DF [ CF, CIF, CI, C ] D, P, S, CS
Multilined cursor


P130 Nestler 0130 MultiMath Duplex
Nestler 0130 MultiMath Duplex
Made in Germany - 28 scales
Front Scale
P, S, T1, T2, A [B, K, CI, C ] D, R1, R2, L, ST
Rear Scale
LL0, LL01, LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1, LL0
Multilined cursor


S326 Nestler "Kiel" 20 Hermann Schwerdtfeger
Nestler "Kiel" 20 Hermann Schwerdtfeger
Made in Germany
Front Scale
27cm // K, A [ B, C ] D, L || 1:25 6.8m
Back Scale
[ sin, sin/tg, tg ]
Multilined cursor
Back: Equivalents (in German)


S266 Nestler 2012
Nestler 2012 - Closed simplex
Made in Germany - Albert Nestler A.G. Lahr (Baden)
Front Scale
A [ B, C ] D
Back Scale
[ S, L, T ]
Back: US Equivalents (English)


S436 Nestler 21 Darmstadt
Nestler 21 - Darmstadt
Made in Germany
Front Scale
27cm, L // K, A [ B, CI, C ] D, P || Sin Cos, Tan Ctg
Back Scale
[ LL1, LL2, LL3 ]
Multilined cursor, offset center hairline, KW, q, PSd
Back: Equivalents (German)


S250 Nestler 23R Reitz
Nestler 23R Reitz - Closed simplex
Made in Germany
Front Scale (extended)
28cm // K, A [ B, CI, C ] D, L || 1:25 6.5cm
Back Scale
[ S, S&T, T ]
Well: 30-55cm
Multilined cursor
Th. Zlocha, Wien
Back: Equivalents (German)


S565 Nestler 23RF Reitz
Nestler 23RF Reitz - Spanish
Made in Germany (Instria Alemana)
Front Scale
28cm // K, A [ B, CI, C ] D, L || 1:25 6.8cm
Back Scale
[ S, S&T, T ]
Well: 30-56cm
Multilined cursor
Back: Equivalents (Spanish)
Donated by Bill Demian, Modesto, CA



S420 Nestler 23RF Reitz
Nestler 23RF Reitz - Closed simplex
Made in Germany
Front Scale (note change in extended scales from S250/S565)
28cm // K, A [ B, CI, C ] D, L || 1:25 6.5cm
Back Scale
[ S, S&T, T ]
Well: 30-55cm
Multilined cursor
Back: Equivalents (German)



S206 Nestler 0232 Reitz
Nestler 0232 Reitz - Closed simplex
Made in Germany
Front Scale
27cm // K, A [ B, CI, C ] D, L || 10.5in
Back Scale
[ Sin, SinTan, Tan ]
Multilined cursor
Back: Equivalents (German)


S123 Nestler 0291 Polymath Duplex
Nestler 0291 Polymath Duplex - 1954
Made in Germany, 1954 - 22 scales Improved Dec Trig Log Log
Front Scale
LL01, LL02, LL03, A [ B, L, K, C ] D, LL3, LL2, LL1
Back Scale
CT, T, ST, DF [ CF, CIF, CI, C ] D, P, S, CS
Note: Pickett 140 Cursor
Manual 2.44MB


S207 Nestler 0292 MultiMath Duplex
Nestler 0292 MultiMath Duplex - 1975
Made in Germany - 28 scales - dc 275
Front Scale
P, S, T1, T2, A [B, K, CI, C ] D, R1, R2, L, ST
Back Scale
LL0, LL01, LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1, LL0
Multilined cursor: Kw, PS, d, q
Manual 2.44MB


REF Nestler 29/52 Log Log Duplex
Nestler 29/52 Log Log Duplex - c1950
Made in Germany - 24 scales
Front Scale: Note
CT, T, ST, A [B, L, K, C ] D, P, S, CS
Back Scale
LL01, LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
archive - Scan donated by Wayne Black, his personal SR


S254 Nestler 37 Elektro
Nestler 37 Elektro - Closed simplex
Made in Germany
Front Scale
287cm // V, PS [ KW, CI, C ] D, L(U) || LL2, LL3
Back Scale
[ S, S&T, T ]
Multilined cursor
Lahr, I/B, DRP
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