Leonard Siemon


Roles


Masonry Magazine January 1970 Page. 22
January 1970

MCAA '70 Educational Trade Show

Here is the floor plan layout along with an alphabetical listing of the exhibitors. The experts who will be manning each display are listed under their respective firms. Visit each of them during the Show.

Masonry Magazine January 1967 Page. 30
January 1967

18 AA WIRE PRODUCTS CO
714 E. 61st St.
Chicago, Ill.

52-53 AEROIL PRODUCTS CO.
69 Wesley St.
Hackensack, N. J.

9 AMERICAN AIR FILTER CO.
215 Central Ave.
Louisville, Ky.
Marshall Jones, Jay Feld, E. F. Hick

Masonry Magazine March 1966 Page. 5
March 1966

President
Anthony Perri

Vice President
Donald Bidwell

Treasurer
Robert Harrison

Secretary
Donald Stevens

Regional Vice Presidents
Michael Coco
O. L. Jollay
Frank Laureys
C. DeWitt Br

Masonry Magazine January 1965 Page. 42
January 1965

Guide To
The '65 MCAA Educational Trade Show

25 AA WIRE PRODUCTS CO.
714 E. 61st St.
Chicago, III.
Mary Hanson, Joseph N. Lucas

68-69 76-77 AEROIL PRODUCTS CO.
69 Wesley St.
Hackensack, N. J.
Joe Halperin, J

Masonry Magazine February 1964 Page. 30
February 1964

WHO'S & WHAT'S

WHO WHAT
at the
'64 MCAA
educational
trade show

Here is the floor plan layout of the '64 MCAA Educational Trade Show along with an alphabetical listing of the exhibitors and their personnel. Each exhibit i

Masonry Magazine January 1962 Page. 22
January 1962

Here's Your Guide to '62 MCAA Show Exhibitors...

# WHO'S WHO & WHAT'S WHAT at the '62 MCAA Show

Here is the floor plan layout of the '62 MCAA Show along with an alphabetical listing of the exhibitors and their personnel. Each exhibit is

Masonry Magazine February 1961 Page. 20
February 1961


Here's Your Guide to...
1961 MCAA SHOW EXHIBITORS

Here is the floor plan layout of the '61 MCAA Show along with an alphabetical listing of the exhibitors and their personnel. Each exhibit is manned by experts to tell you about new dev