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ALRO: Verkeerslawaai (AC-7.05)

ALRO Verkeerslawaai (AC-7.05) Transport

Details of: ALRO - Verkeerslawaai (AC-7.05)

Type? Usually a generic name preceded by the form if not standard linear length - e.g. Pocket Enhanced Mannheim. For special models often supplemented by its function/use - e.g. meteorology. Sometimes a suffix is needed to distinguish between different versions - e.g. early or late. Transport - green & black
Sort? L/C/D/T/W/X where L=Linear, C=circular, D=Drum, T=tubular, W=watch, X=miscellaneous (i.e. the rest) C
Construction? Basic construction form of the body i.e. Closed/solid frame or Open frame or Duplex or Other Other
Material? Basic description: ivory/bone/wood/bakelite/plastic/metal/cardboard or combinations e.g. wood/veneered, wood/painted, etc plastic
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. Ø 13m
Scales front? Standard (not maker’s) symbols for scales on front face e.g. A = X² (1-100) but § = generic symbol 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 for any non-standard scale + scales between solid / / 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 plastic index radial - 1 hairline
Condition? Cn where n = 0-6 based on Herman van Herwijnen’s condition/quality scale C2
Date? YYYY for year(s) of production or an approximation/range of years 1972-1985
Extras? Basic description of any accessories - e.g. case or stand + where relevant, an accreditation for image, etc
Instructions? Details like “on back of rule” and/or language of instruction sheet/booklet - generic or instructions for common layouts usually not listed Dutch on back
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

For predicting traffic sound levels according to several parameters such as type of road, type of vehicle, etc according to design by H.J. van Zuylen + Nationale Verkersakademie Tilburg = defunct Dutch technical school in Tilburg for educating traffic specialists

In-Out? MM-YYYY / MM-YYYY of the date added/left the collection or <YYYY if exact MM-YYYY no longer known <2015/

All of:  ALRO new search?

ModelType
100 R (AC-1.04b) Rietz - early
1010 Commercial (AC-1.18) Business long-scale
200 R (AC-1.05a) Rietz
200 R (AC-1.05a) Rietz - H - early
200 R (AC-1.05a) Rietz - two-tone
200 R (AC-1.05b) Rietz - early
200 R (AC-1.05b) Rietz - green
200 R (AC-1.05b) Rietz - H
200 R (AC-1.05b) Rietz - heavy
200 RL (AC-1.49) Rietz
300 D (AC-1.08a) Darmstadt
300 D (AC-1.08b) Darmstadt
400 D (AC-1.09) Darmstadt
50 Ng (AC-1.47a) Pocket Basic Printing
500 N (AC-1.11) Basic
600 E (AC-1.19) Electro
AMI-RO-METER Boehringer Ingelheim (AC-4.01) Medical
BoB3 C.J. Dussel Reinforced Concrete
De Muiderkring (AC-1.27) 746 Radio
De Muiderkring (AC-1.44) Pocket Radio
EMF DORDT (AC-3.10) Electro
GRASSO-PERSLUCHT (AC-2.22) Refrigerant/Conversion
gti installatietechniek (AC-2.10) Central Heating
Ha.A2 (AC-1.12) Basic Retail
HYDRAULIC RELATIONS IN DRILLING B.I.P.M. (AC-2.01) Petroleum
KLOOS (AC-1.30) Steel Constructions
KNM BEGEMANN (AC-2.27) Pipe Flow
MILITAIRE REKENSCHIJF (AC-1.32) Military Artillery Range Finding
MOEDERS VOOR MOEDERS (AC-4.11) Medical
MUD WEIGHT - FLOWING WELL B.I.P.M. (AC-2.02) Petroleum
NIPO INDICATOR (AC-7.09) Statistics
Oil Spill (AC-7.04) Petroleum
PHILIPS AUDIO COMMUNICATIIONS (AC-3.02) Electro/Conversion
PHILIPS TELECOMMUNICATION DECIBEL (AC-1.44) Pocket Radio
PLANISFEER (AC-6.05) Desktop Astronomy
PTT DECIBEL (AC-1.42) Radio
RADIOLOGISCHE REKENSCHIJF (AC-7.01) Pocket Military Radiation
Radiologsche rekenschijf PTT (AC-7.02a) Radiation
rekenschuif spoorweglawaai (AC-7.04) Transport
SHELL VISCOKLOK (AC-1.40) Petroleum
SYNRES (AC-2.23) Conversion
T.K.F. HAAKSBERGEN (AC-1.45c) 10 R Pocket Rietz
Verkeerslawaai (AC-7.05) Transport - green & black
WeR2 5 (AC-1.07b) Rietz