• 455 Martinson, Los Angeles
  • 8 (043) 567 - 89 - 30
  • support@email.com

Blundell Harling Ltd. (BH): P3679

Blundell Harling Ltd. (BH) P3679

Details of: Blundell Harling Ltd. (BH) - P3679

Type? Generic name (e.g. Enhanced Mannheim) or function/use for special models (e.g. Meteorology). If not the “standard” 25cm linear length proceeded by the form (e.g. Demonstration, Desktop, Pocket, Waistcoat, Lilliput or Book) + suffix when needed to distinguish between different versions (e.g. early or late). Music Chord Computer
Sort? L/C/D/T/W/X where L=Linear, C=circular, D=Drum, T=tubular, W=watch, X=miscellaneous (i.e. the rest) L
Construction? Basic construction form of the body i.e. Closed/solid frame or Open frame or Duplex or Other Duplex
Material? Basic description: ivory/bone/wood/bakelite/plastic/metal/cardboard or combinations e.g. wood/veneered, wood/painted, etc plastic/metal
Length? Mostly length in cm or ” (inches) of the D scale but excluding any scale extensions. But for circular or watch slide rules it is the diameter & for tubular or drum slide rules it is the overall linear scale length. For other mechanical aids it is the physical length. 8¾"
Scales front? Standard (not maker’s) symbols for scales on front face e.g. A = X² (1-100) but § = generic symbol (signum sectiōnis) for any non-standard scale + scales between solidi / / are on the slide(s) whereas scales after vertical line | or after reversed solidus \ are on a straight or bevelled top or bottom side edge §
Scales back? Standard (not maker’s) symbols for scales on back face e.g. S = sine (5° to 90° & 85° to 0°) or sin(x) but § = generic symbol (signum sectiōnis) for any non-standard scale + scales between solidi / / are on the back of slide(s) but scales listed after / / - notation are on another surface e.g. back of stock or inside a lid §
Cursor type? Basic description (incl. material) + no. of hairlines, etc on any cursor(s) or alternative to a cursor - e.g. a stylus cursor windows
Condition? Cn where n = 0-6 condition/quality scale where 0 = brand new in box & 6 = broken C1
Date? YYYY for year(s) of production or an approximation/range of years 1970
Extras? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc clear plastic sleeve
Instructions? Details like “on back of rule” and/or language of instruction sheet/booklet - generic or instructions for common layouts usually not listed Summarised on the front & back + full instructions in accompanying leaflet
Booklet (PDF)? Downloadable .PDF copy of unusual or uncommon model specific instructions download
Comments ? Any special or noteworthy traits + significant use-related facts + pertinent details of scales/tables in well of stock + any significant tables, etc on the back of the stock

Slide chart specially commissioned by UK copyright holder Dudely Fulller Associates - design invented by musician Dudley Fuller

In-Out? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known 11-2005/

All of:  Blundell Harling Ltd. (BH) new search?

0490.37 Conversion
0490.45 Alcohol
500 Academy Log-Log
6665-99-780-8137 Radiac Nuclear Radiation Calculator No.1 Mk2
6B/1112682 Hercules C.Mk.1 Aviation Trim Computer
802 Academy Log-Log
803 Academy Rietz
812 Pocket Classmate Academy Rietz
813 Classmate Academy Rietz
904 Academy Darmstadt
905 Academy Log-Log
Allied Colloids Pocket Rietz
M5572 Lilliput Conversion
M899 Pocket Electro Power Factor calculator
NL 11-95 Pocket Basic Memorial
P2734A Fisher Valve Sizing Mark V
P3679 Music Chord Computer
P4099 Holophane Illumination & Angle Calculator (metric)
P4463 Holophane Illuminanace & Angle Calculator
P4743 Fisher Valve Sizing Mark VIII
P4985 Chemical
P5092 Heating Oil Viscosity-Temperature Calculator
P5154 Beer/Lager Retail Price Calculator
P5527 Roof Pitch Indicator
P5731 Music Note Tracker
P5798 Pocket Medical
P5939 Conversion
P6290 Refrigerant
Robert Jenkins Co. Ltd Pocket Tank Capacity Calculator
S143-10 School Rietz without trig scales
S150-10 School Rietz
S150-20 Pocket School Rietz
W.H. Smith Student Log--Log