48 
W. F. STANLEY & CO. LTD. 
Quote Stanley’s ‘A’ Catalogue 
THE STANLEY “ ENGINEER 
MEAN-READING LEVEL 
The Level that provides the facility to verify the accuracy of every 
level staff reading—the nearest approach to infallible levelling. 
A 505 
Information on the use and adjustment of the instrument may be 
obtained by applying for the descriptive booklet, reference MRL. C505.