ARCUS - Max Wurker Pty Ltd

REF ARCUS Brand Slide Rule

ARCUS Brand Slide Rule Made in Australia for Max Wurker Pty Ltd, Similar construction to "Electro" model produced by Service Slide Rules. Front Scale (Extended) LL3, A(KW) [ B(PS), CI, C ] LL2 Back Scale [ S, L, T ] Back: Equivalents, Formulae and Trig identities Scan provided by Cyril Catt. Australia

C.O. Browne, Melbourne, Australia

REF C.O. Browne Cylindrical "Long Scale Rule"

C.O. Browne Cylindrical "Long Scale Rule" Made in Australia by C.O. Browne. , No. F.C.46 Diameter 3", length 13" closed, 18" maximum Similar construction to Fowler Cylindrical Slide Rules. The single helical scale is marked on a cylinder about 2-3/4" in diameter and 4-1/2" long. The scale makes 50 turns around the cylinder, for a total length of 413" (34 feet, or 10.5 metres). It is marked to 4 significant figures at the top end, and can be read to 1 part in 20000. The inner core of the rule is covered with tables of constants, formulae, and conversion factor Scan provided by John Wolff. Australia

CAL Slide Rules

S411 CAL Slide Rule No. 2

CAL Slide Rule No. 2 Assumed to be Made in Australia - Patent pending 7415/42 Note: CAL is also the initials for Australia's Copyright Agency Ltd. Similar construction to British Unique's but with a different wood Front Scale (Extended) LU, S, A [ B, R(CI), C ] D, T, LL Back: Equivalents, Formulae and Trig identities

Ben Jordan

REF Ben Jordan's Scale Of Proportions Slide Rule

Ben Jordan's Scale Of Proportions Slide Rule For finding the dimensions of an engraving to be made smaller or larger than copy Made in Australia Front Scale: For Reductions: Copy ( Engraving) For Enlargemnets: Engraving ( Copy ) Scan provided by Cyril Catt. Australia Note: This was from an engraver near Sydney, New South Wales. It was made from the metal sheets used for engraving, and appear to be produced as advertising material, probably in the 1950s.

Griffin Computors, Sydney

REF Griffin 121 Simplified Slide Rule

Griffin 121 Simplified Slide Rule Made in Australia by Griffin Computors Front Scale (Extended) Units, C ( D ) Back: Blank Scan provided by Cyril Catt. Australia Sleeve Note: The Griffin was apparently made in Sydney about 1950, by a former airline pilot. He also made some simple concrete quantity calculators. Curiously, This was found in an LA bookshop run by an Australian.

Service Slide Rule - Sydney, Australia

S440 Service Slide Rule - Electro

Service Slide Rule - Electro Made by Service Slide Rule, Sydney, Australia Front Scale (Extended) LL3,  A(KW) [ B(PS), CI, C ] LL2 Back Scale [ S, L, T ] Back: Equivalents, Formulae and Trig identities Original Owner: N. Fogarty/N.S.W. Australia

Service Studios

REF Service Studio Slide Rule R.A.

Service Studio Slide Rule R.A. Made by Service Studio Slide Rule, - 1943 Front Scale (Extended) A [ B, C ] D Back Scale [ S, L, T ] Back: Equivalents, Trig identities, Range Formulae Scan provided by John Oakhill, Australia

Slide Charts of Australia, Sydney

REF SCA Circular Slide Rule

SCA Circular Slide Rule (1973) Made in Australia by Slide Charts of Australia Front Scale (Extended) CI, C ( D, A, K, L) Back Scale Orginal Area (Conversion Factor, Converted Area) Scan provided by Cyril Catt. Australia

Unnamed Australian Slide Rule

REF Unnamed Australian (Homemade?) Slide Rule

Unnamed Australian (Homemade?) Slide Rule Made in Australia - Manufacturer Unkown Front Scale (Extended) K, A [ B, CI, C ] D, L Back: Blank Note: Wood construction with paper scales (like Lawrence slide rules) Scan provided by Cyril Catt. Australia

REF W&G 421	W&G 421 Closed Made in Melbourne, Australia - W&G Record Processing Co. Front Scale (Extended) 10in // L, A [ B, Reciprocal, C ] D, Cube || 25cm Back scale: [ Sin, Sin & Tan, Tan ] Archive - University of Melbourne, School of Physics Museum
S234 W&G 432 "Dual-Face" Comprehensive	W&G 432 "Dual-Face" Comprehensive Made in Melbourne, Australia - W&G Record Processing Co. Front Scale LL (or LL3), L, A [ B, Reciprocal (or CI), C ] D, Cu, LL (or LL2) Back Scale SINE1, SINE2, KW [ HP, TANGENT1, TANGENT2, F ] Voltage Drop, Dynamo Efficiency Unique thumb wheel for sliding cursor!
S356 W&G 432 "Dual-Face" Comprehensive	W&G 432 "Dual-Face" Comprehensive Made in Melbourne, Australia - W&G Record Processing Company Front Scale LL (or LL3), L, A [ B, Reciprocal (or CI), C ] D, Cu, LL (or LL2) Back Scale SINE1, SINE2, KW [ HP, TANGENT1, TANGENT2, F ] Voltage Drop, Dynamo Efficiency Conventional Cursor
ISRM W&G 443 Artillery Slide Rule, VFA 3400 Mk1 W&G 443 Instructions 6Mb	W&G 443 Artillery Slide Rule, VFA 3400 Mk1 1945 Made in Melbourne, Australia - W&G Record Processing Co. Front Scale (extended) L, A [ B, Reciprocal (or CI), C ] D, Cu Back Scale (extended) SINE1 0°-90° & 0-1.000 [ ANGLE2 5.8°-90° @ 174°-90° , ANGLE1 0°34'-5°30' ] RANGE 1-10, TAN 0-45° & 0-1.00 Conventional Cursor Donated by Stephen Sheen in memory of his father. This instrument belonged to the late WX1844 Gunner George Sheen (portrait from 1966) of the 2/3rd Australian Field Regiment (6th Division, 2nd AIF) during WWII. He obtained this at the end of the war. A Christmas menu of 1941 is signed by members of his battery. The emblem is for an officer of the Royal Regiment of Australian Artillery (RAA) and shows the The (British) Lion and (Australian) Kangaroo representing "imperial solidarity".
REF W&G 454 "Dual-Face" Survey	W&G 454 "Dual-Face" Survey Made in Melbourne, Australia - W&G Record Processing Co. Front Scale Sine, Cos [ Angle 2, Angle 1 ] Range, Tan, Cot Back Scale L, A [ B, Reciprocal, C ] D, Cu Archive - Greg Scott Collection Instructions 1.05Mb
REF W&G 465 "Dual-Face" Shipping Freight & General Purpose Slide Rule	W&G 465 "Dual-Face" Shipping Freight & General Purpose Slide Rule Made in Melbourne, Australia - W&G Record Processing Co. Front Scale L, A [ B, Reciprocal, CI, C ] D, Cu, K Back Scales Pounds-Shillings, Shillings-Pence, T/R, P, D2, D3/D1, CC Archive - Not in Collection
S570 W&G 476 "Dual-Face" Trigonometrical (Stadia)	W&G 476 "Dual-Face" Trigonometrical (Stadia) Made in Melbourne, Australia - W & G Record Processing Co. Front Scale LL (or LL3), L, A [ B, Reciprocal (or CI), C ] D, Cu, LL (or LL2) Back Scale Stadia V, H, Chord, A [ B, SIN<6 COS>5, SIN>5 COS <6, C ] D, TAN 30-6, COT 84-90, TAN 5-45, COT 85-45 Conventional Cursor Original Owner: Norman Leslie Foley, 254 Alderman Rd, Glasgow, Scotland Was used to design Battleships during WWII
Looking for Examples of:	W&G MkII Pilot Ballon Slide Rule (1928-1943+)
REF W&G Aerial Dead Reckoning Computer R.A.A.F. Mk 1	W&G Aerial Dead Reckoning Computer R.A.A.F. Mk 1 Made in Australia by White & Gillespie Front Scale: Distance Naut Miles, True Air Speed (Time Min, Hrs, Density Altitude, Air Temp ) Back Scale: Wind Correction Angle( True Heading ) Scan provided by Cyril Catt. Australia
REF W&G Slide Rule Fv	W&G Slide Rule Fv Made in Australia by by White & Gillespie Front Scale Elevation, ho [ Frequency ] Ohms Back Scale Nomagraph: Km, h', degrees Scan provided by Cyril Catt. Australia
REF W&G Proportion Calculator	W&G Proportion Calculator Made in Melbourne, Australia - W&G Record Processing Co. Front Scale Depth [ Width ] Archive - not in collection

G. M. YABSLEY, Murwillumbah

REF Yabsley Acreage Calculator

Yabsley Acreage Calculator (1972) Made in Australia - Designed and made by G.M. Yablsey Front Scale (Extended) $ balance per Claim ($ per cwt) 2 Ccwt/acre, 4 cwt/acre Back: Instructions Note: This was made by G.M. Yabsley, an agronomist colleague, of Cyril Catt in the NSW Dept. of Agriculture, to ease the burden of checking a few hundred applications for a former Government fertilizer subsidy. Scan provided by Cyril Catt. Australia

Early White & Gillespie Product List