Here is a collection of 50 old pulp magazines in PDF format with OCR and covers. Please seed for others after you download:

Adventure - 1 August 1927
Adventure - March 1916
Air Stories UK - October 1936
Air Trails - January 1939
Argosy - 3 September 1938, 10 December 1935, 21 September 1935, 28 September 1935 
Astounding UK - April 1947, April 1948, August 1947, December 1947, February 1948, June 1947, June 1948, October 1947
Black Mask-January 1949, March 1938, September 1933
Detective Book Magazine - Summer 1946
Detective Story Magazine - 24 May 1924
Detective Tales - August 1947
Dime Detective - April 1941, November 1943, July 1945 
Dime Mystery - July 1939
Dime Mystery - November 1947
Ellery Queen 's Anthology - Mid-year 1966 
Ellery Queens Mystery Magazine - May 1944 
Escapade Magazine - May 1956
Famous Fantastic Mysteries - April 1952 
Flying Aces - August 1934
Flying Aces - December 1935
Interzone #125 - November 1997, December 1997, January 1998, February 1998, March 1998, April 1998, May 1998 
Masked Rider Western - August 1948 
Popular Magazine - 7 August 1921 
Science Fiction Monthly - April 1976 
The Popular Magazine - 7 June 1920 
The Popular Magazine - 20 July 1919 
The Wide World - August 1913
The Wide World (US) - November 1920
Thrilling Adventures - October 1934
Thrilling Mystery - September 1939
Wings - Summer 1937

https://i.postimg.cc/P534bH35/Old-Pulp-Magazines-Collection-82.jpg