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ORIGINAL LUDLOW FACTORY SHIPMENTS

Elrod Machines listed at bottom

YEAR SERIAL NUMBERS SHIPPED YEAR SERIAL NUMBERS SHIPPED
       
1919 Original Hole style MP (247) 1947 5000-5300
1919 300-400 1948 5400-5900
1920 500-700 1949 6000-6400
1921 800 1950 6500-7000
1922 900 1952 7100-7500
1923 1000-1100 1953 8100-8500
1924 1200-1300 1954 8600-9100
1925 1400-1600 1955 9200-9600
1926 1700-1800 1956 9700-10200
1927 1900-2100 1956 Sep – New style panel box with 2-wire thermostat introduced
1928 2200-2400 1957 10300-10700
1929 2500-2700 1958 10800-11100
1930 2800-2900 1959 11200-11600
1931 3000-3100 1960 11700-12200
1932 Feb – First slotted MP (A247A) ~  1 1/4" X 2 1/2" funnel 1961 12300-12600
1932 May – MP funnel changed to        1 1/4" X 2 3/4" long (A247B) 1961 MP funnel changed to 3/8"F & 3/4"R (A247CD)
1932 3200 1962 12700-12900
1933 3300 1963 13000-13200
1934 3400-3500 1964 13400
1936 3600-3700 1964 Apr MP funnel changed to 5/8" F&R with 3-holes (A247F)
1937 3800 1965 Model M Introduced
1938 May – MP funnel depth changed to 3/4" X 3/8" rear (A247C) Shallower version introduced later same month (A247D) 1965 16000-16300
1938 3900-4000 1966 16400-16800
1939 4100-4200 1966 Aug – Rear table latch & LF table latch discontinued also Little Giant water pump discontinued & replaced with Heat Exchanger brand
1940 4300 1967 16900-17300
1941 4400 1968 17400-17600
1942 4600 1968 Nov = New style cutler Hammer relays (9575-H-2683)
1943 4700 1969* * Converted crucible to solid lock-up – crucible spring eliminated & .030 undersized main cam roll introduced as well as removable well
1944 4800 1969 18000-18200
1945 NO MACHINES SHIPPED 1970 18300-18400
1946 4900 1971 18500

* This proved to be ineffective and damaging. All Model "M" machines that have this arrangement should be converted to prevent excessive wear and damage.

 

ELROD Models E & F

1929 100 1953 3300-3500
1930 200-300 1954 3600-3800
1932 400 1955 3900-4000
1935 500 1956 4100-4200
1936 600 1957 4300
1937 700-800 1958 4400
1939 900 1959 4500
1940 1000 1960 4600
1941 1100-1200 1961-62 4700
1943 1300 1963 4800
1946 1400 1964 4900-5000
1947 1500-1700 1965 5100
1948 1800-2100 1966 5200
1949 2200-2500 1967 5300
1950 2600-2800 1968 5400
1951 2900-3000 1969 5500
1952 3100-3200    

 

ELROD Model K

1954-55 051 1962 1300-1400
1955-56 100 1963 1500
1956-57 200 1964 1600-1700
1957-58 300 1965 1800
1958-59 400-700 1966-67 1900-2000
1959-60 800-1000 1967-68 2100-2200
1961 1100-1200 1969 2300

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