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 |
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 S440-ADPE $30.00 |
 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 |
  S544 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, Glascow, England Was used to design Battleships during WWII |
Looking for Examples of: |
W&G MkII Pilot Ballon Slide Rule (1928-1943+) |
 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 |
